Archive for December 2016

The salesperson should find probes to be useful for:

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The salesperson should find probes to be useful for:





a. limiting prospect participation
b. controlling the motivation of the prospect
c. creating a buyer-seller chain of command
d. maintaining a one-way communication
e. obtaining information from the prospect








Answer: E

The opinion approach is most effective when:

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The opinion approach is most effective when:






a. the prospect is making a straight rebuy
b. the salesperson needs to use a technological sales presentation
c. am experienced sales person is trying to sell to a competitor's customer
d. the prospect has an inflated ego
e. the salesperson is inexperienced










Answer: E

In selling highly complex or technical products, such as insurance, industrial equipment, accounting systems, and computers, salespeople often are required to make several sales calls to developed a detailed analysis of a prospect's needs. What kind of sales presentation would such a selling situation require?

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In selling highly complex or technical products, such as insurance, industrial equipment, accounting systems, and computers, salespeople often are required to make several sales calls to developed a detailed analysis of a prospect's needs. What kind of sales presentation would such a selling situation require?





a. problem-solution
b. stimulus response
c. formula
d. memorized
e. need-satisfaction






Answer: A

Which of these statements about formula presentations is true?

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Which of these statements about formula presentations is true?





a. New-task buying situations are a good time to use the formula presentation method.
b. The customer gets his or her greatest amount of talking time during the beginning of the formula sales presentation.
c. An advantage of the formula presentation is that it is most adaptable to complex selling situations
d. To successfully use the formula sales presentation method, the salesperson must previously have correctly identified the prospect's needs and wants
e. The formula presentation is based upon the SPIN procedure of developing and giving the sales presentation.








Answer: D

The need satisfaction sales presentation has several phases. Select the alternative that presents the phases in their correct order.

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The need satisfaction sales presentation has several phases. Select the alternative that presents the phases in their correct order.





a. need-satisfaction, need-utilization, and need-development
b. none of the above
c. need perception, need-comprehension
d. need-development, need-awareness, and need-fulfillment
e. need-utilization, need-fulfillment, and need-satisfaction







Answer: D

Which of the following is a disadvantage of the needs-satisfaction sales presentation?

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Which of the following is a disadvantage of the needs-satisfaction sales presentation?






a. The needs-satisfaction sales presentation permits very little prospect participation
b. The needs-satisfaction sales presentation presents features, advantages, and benefits that may not be important to the buyer
c. The needs-satisfaction sales presentation proceeds too quickly through the sales presentation to the close.
d. Some salespeople feel uncomfortable with needs-satisfaction sales presentation method because they feel they are less in control when using this approach
e. The needs-satisfaction sales presentation is impractical for selling highly technical products








Answer: D

Which of these statements about the formula sales presentation is FALSE?

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Which of these statements about the formula sales presentation is FALSE?





a. The formula sales presentation is based on the AIDA procedure of developing and giving the sales presentation.
b. Modified rebuy situations are a good time to use the formula sales presentation method
c. To successfully use the formula sales presentation method, the sales person must previously have correctly identified the prospect's needs and wants.
d. The formula sales presentation is the best method to use when the prospect will allow very little time for the presentation
e. The customer gets his or her greatest amount of talking time during the middle part of the formula sales presentation










Answer: D

Which of the following is a disadvantage of the memorized sales presentation?

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Which of the following is a disadvantage of the memorized sales presentation?




a. The memorized sales presentation is not effective when selling time is short.
b. The memorized sales presentation includes too much prospect participation.
c. Salespeople often are very disorganized when they use the memorized sales presentation approach.
d. The difficulty involved in preparing and using the memorized sales presentation often frightens inexperienced salespeople.
e. The memorized sales presentation presents features, advantages, and benefits that may not be important to the buyer







Answer: E

The key to selling and negotiating is to always:

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The key to selling and negotiating is to always:





a. identify gatekeepers
b. rank making the sale as the number one most important consequences of the sales presentation
c. ignore personality differences between buyer and seller because in the long-run they have no lasting effect on the relationship
d. provide all the information about a product, even if it is unfavorable
e. try to create a win-win situation where both buyer and seller are happy







Answer: E

Typically, the first step of the problem- solution sales presentation is to:

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Typically, the first step of the problem- solution sales presentation is to:





a. prepare the presentation based on previously gathered customer knowledge
b. have the prospect and the salesperson agree on the nature of the problem(s)
c. analyze the prospect's problem(s) in order to find possible solution(s)
d. prepare a written problem-solution proposal for the prospect
e. convince the prospect to allow the salesperson to conduct an analysis of the prospect's problem(s)








Answer: E

During the planning stage for negotiation, the salesperson needs to determine:

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During the planning stage for negotiation, the salesperson needs to determine:










a. if he or she can offer the customer free training
b. all of the above
c. the flexibility of his or her company's payment plan
d. if there is any optional equipment that can be given to the prospect free of charge to improve the salesperson's negotiating position
e. when items in the negotiation are inflexible







Answer: B

A customer profile should tell the salesperson:

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A customer profile should tell the salesperson:




a. what competitors successfully do business with the customer
b. the customer's purchasing policies
c. all of the above
d. the background of the buyer's company
e. who makes the company's buying decisions








Answer: C

You are a salesperson for a supplier of a restaurant equipment and you are calling on Kendall Ewing, the owner of Ken's House of Pancakes. If Kendall decides to listen and enter into a discussion with you, you know:

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You are a salesperson for a supplier of a restaurant equipment and you are calling on Kendall Ewing, the owner of Ken's House of Pancakes. If Kendall decides to listen and enter into a discussion with you, you know:





a. Kendall has a boiling desire for your product
b. Kendall understands why he should buy from you
c. a sale is made
d. you have achieved the interest stage of Kendall's mental process
e. Kendall believes your restaurant equipment will fill his specific needs










Answer: D

What does the "M" in SMART stand for?

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What does the "M" in SMART stand for?



a. maximize the customer's order size
b. be measurable
c. move the prospect to buy
d. minimize the cost to the customer
e. manage time wisely








Answer: B

A salesperson engaged in sales planning should:

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A salesperson engaged in sales planning should:




a. develop nonspecific sales call objectives
b. join a sales lead club
c. design her after-the-sale service approach
d. develop the sales presentation
e. develop vendor analyses







Answer: D

A good sales call objective should be:

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A good sales call objective should be:



a. open-ended and non-specific
b. specifically tailored to the customer
c. easily fulfilled
d. all of the above
e. unencumbered with the time restrictions









Answer: B

A customer profile should tell the salesperson:

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A customer profile should tell the salesperson:





a. what competitors successfully do business with the customer
b. the customer's purchasing policies
c. the background of the buyer's company
d. all of the above
e. who makes the company's buying decisions








Answer: D

Allyson sells clothing designed for skiing to the retail buyer for a large ski resort. When the prospect says, "Ive seen enough, Allyson. There is no doubt in my mind that your company will provide our resort with the best quality ski clothes for the money," he has reached the mental step called:

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Allyson sells clothing designed for skiing to the retail buyer for a large ski resort. When the prospect says, "Ive seen enough, Allyson. There is no doubt in my mind that your company will provide our resort with the best quality ski clothes for the money," he has reached the mental step called:



a. conviction
b. action
c. purchase
d. interest
e. desire









Answer: A

The four elements of a sales call planning (in correct order:)

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The four elements of a sales call planning (in correct order:)





a. customer profile, sales call objective, sales presentation, and sales benefit
b. customer preapproach, customer profile, customer sales call objective, and sales presentation
c. sales call objective, customer profile, customer benefit plan, and sales presentation
d. sales call objective, customer benefit plan, customer profile, and sales presentation
e. customer profile, sales call objective, customer benefit plan, and sales presentation










Answer: C

Joaquin sells office supplies. He recently called on a customer who was trying to select a photo to go on its fall catalog. The customer wanted to look at the ten photos side by side and compare them, but his easel would only hold one at a time. Since the walls of the office are made on cinderblock, it was not possible to paste or track the photos on the wall. It was a problem that occurred every time a new catalog was issued. After looking at the problem, Joquain said, "Ill be right back." When Joquain returned, he had a roll of cork and a can of cork glue. He and the business owner turned one wall into a giant bulletin board. In the instance, Joquain acted as a(n):

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Joaquin sells office supplies. He recently called on a customer who was trying to select a photo to go on its fall catalog. The customer wanted to look at the ten photos side by side and compare them, but his easel would only hold one at a time. Since the walls of the office are made on cinderblock, it was not possible to paste or track the photos on the wall. It was a problem that occurred every time a new catalog was issued. After looking at the problem, Joquain said, "Ill be right back." When Joquain returned, he had a roll of cork and a can of cork glue. He and the business owner turned one wall into a giant bulletin board. In the instance, Joquain acted as a(n):






a. low-involvement decision maker
b. tactical partner
c. transactional partner
d. creative problem solver
e. exchange creator










Answer: D

Carol Wang sells cosmetics. She asked you to recommend a source of prospects and suspects. Which of the following would be a possible place for Carol to locate prospects and suspects?

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Carol Wang sells cosmetics. She asked you to recommend a source of prospects and suspects. Which of the following would be a possible place for Carol to locate prospects and suspects?






a. personal acquaintances
b. a city directory
c. the telephone directory
d. newspapers
e. all of the above







Answer: E

Salespeople should correctly use trade shows as a:

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Salespeople should correctly use trade shows as a:





a. way to qualify prospects
b. well-earned vacation
c. way to locate leads
d. way to learn how to accept rejection
e. way to overcome call reluctance









Answer: C

Monroe's sales manager has just told him that if he wants to quit wasting time making presentations to people who aren't qualified he's going to have to think "MAD." What was the sales manager trying to tell Monroe?

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Monroe's sales manager has just told him that if he wants to quit wasting time making presentations to people who aren't qualified he's going to have to think "MAD." What was the sales manager trying to tell Monroe?






a. Qualify his prospects by determining if they have Money, Authority, and Desire to buy.
b. Set up a reward-punishment system for himself as a form of motivation.
c. Monroe can improve his presentations and make them more memorable if he Makes Another Demonstration on each sales call.
d. Monroe should Motivate his customer to pay Attention, and use his sales presentation to create Demand.
e. If he doesn't do a better job of selling, he's going to be fired.








Answer: A

Mizrat is out of work, but he is very good at fixing things around the house. He has spent much of his time during the last week going door to door asking people who live in the area if they have any odd jobs for him, In terms of the selling process, Mizrat is engaged in:

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Mizrat is out of work, but he is very good at fixing things around the house. He has spent much of his time during the last week going door to door asking people who live in the area if they have any odd jobs for him, In terms of the selling process, Mizrat is engaged in:





a. trial closes
b. networking
c. the referral method
d. direct marketing
e. prospecting







Answer: E

Amas is trying to make some extra money for Christmas gifts. She has made several pieces of jewelry out of shells she has collected. She sells her jewelry by going door-to-door in the apartment complex where she lives. Amas is using the _____ method of prospecting.

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Amas is trying to make some extra money for Christmas gifts. She has made several pieces of jewelry out of shells she has collected. She sells her jewelry by going door-to-door in the apartment complex where she lives. Amas is using the _____ method of prospecting.






a. networking
b. center of influence
c. endless chain
d. concentration
e. cold canvas








Answer: E

According to the text, the two reasons why a salesperson must constantly look for new prospects are to replace customers lost overtime and to:

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According to the text, the two reasons why a salesperson must constantly look for new prospects are to replace customers lost overtime and to:





a. gain additional sales presentation experience
b. fulfill his or her social responsibilities
c. prevent current customers from buying from someone else
d. fill-in otherwise unproductive parts of the day
e. increase sales






Answer: E

Jim sells medical equipment like examination tables and dental chairs. He has been advised that he should contact the comptroller at the Cedar Public Hospital because the hospital plans on building and equipping 150 medical and dental offices in its new health care complex. Jim has not yet made the sales call because he hates to be pushy. Jim is experiencing:

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Jim sells medical equipment like examination tables and dental chairs. He has been advised that he should contact the comptroller at the Cedar Public Hospital because the hospital plans on building and equipping 150 medical and dental offices in its new health care complex. Jim has not yet made the sales call because he hates to be pushy. Jim is experiencing:



a. referral breakdown
b. call reluctance
c. lead negation
d. sales hesitation
e. prospect aversion









Answer: B

In the presence of oxygen, the three-carbon compound pyruvate can be catabolized in the citric acid cycle. First, however, the pyruvate (1) loses a carbon, which is given off as a molecule of CO2, (2) is oxidized to form a two-carbon compound called acetate, and (3) is bonded to coenzyme A. Why is coenzyme A, a sulfur-containing molecule derived from a B vitamin, added?

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In the presence of oxygen, the three-carbon compound pyruvate can be catabolized in the citric acid cycle. First, however, the pyruvate (1) loses a carbon, which is given off as a molecule of CO2, (2) is oxidized to form a two-carbon compound called acetate, and (3) is bonded to coenzyme A.
Why is coenzyme A, a sulfur-containing molecule derived from a B vitamin, added? 





A) because sulfur is needed for the molecule to enter the mitochondrion
B) in order to utilize this portion of a B vitamin which would otherwise be a waste product from another pathway
C) to provide a relatively unstable molecule whose acetyl portion can be readily transferred to a compound in the citric acid cycle
D) because it drives the reaction that regenerates NAD?
E) in order to remove one molecule of CO2






Answer: C

In the presence of oxygen, the three-carbon compound pyruvate can be catabolized in the citric acid cycle. First, however, the pyruvate (1) loses a carbon, which is given off as a molecule of CO2, (2) is oxidized to form a two-carbon compound called acetate, and (3) is bonded to coenzyme A. These three steps result in the formation of

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In the presence of oxygen, the three-carbon compound pyruvate can be catabolized in the citric acid cycle. First, however, the pyruvate (1) loses a carbon, which is given off as a molecule of CO2, (2) is oxidized to form a two-carbon compound called acetate, and (3) is bonded to coenzyme A.
These three steps result in the formation of 





A) acetyl CoA, O2, and ATP.
B) acetyl CoA, FADH2, and CO2.
C) acetyl CoA, FAD, H2, and CO2.
D) acetyl CoA, NADH, H?, and CO2.
E) acetyl CoA, NAD?, ATP, and CO2.






Answer: D

Yeast cells that have defective mitochondria incapable of respiration will be able to grow by catabolizing which of the following carbon sources for energy?

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Yeast cells that have defective mitochondria incapable of respiration will be able to grow by catabolizing which of the following carbon sources for energy? 





A) glucose
B) proteins
C) fatty acids
D) glucose, proteins, and fatty acids
E) Such yeast cells will not be capable of catabolizing any food molecules, and will therefore die.







Answer: A

High levels of citric acid inhibit the enzyme phosphofructokinase, a key enzyme in glycolysis. Citric acid binds to the enzyme at a different location from the active site. This is an example of

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High levels of citric acid inhibit the enzyme phosphofructokinase, a key enzyme in glycolysis. Citric acid binds to the enzyme at a different location from the active site. This is an example of 






A) competitive inhibition.
B) allosteric regulation.
C) the specificity of enzymes for their substrates.
D) an enzyme requiring a cofactor.
E) positive feedback regulation.




Answer: B

In vertebrate animals, brown fat tissue's color is due to abundant blood vessels and capillaries. White fat tissue, on the other hand, is specialized for fat storage and contains relatively few blood vessels or capillaries. Brown fat cells have a specialized protein that dissipates the proton-motive force across the mitochondrial membranes. Which of the following might be the function of the brown fat tissue?

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In vertebrate animals, brown fat tissue's color is due to abundant blood vessels and capillaries. White fat tissue, on the other hand, is specialized for fat storage and contains relatively few blood vessels or capillaries. Brown fat cells have a specialized protein that dissipates the proton-motive force across the mitochondrial membranes. Which of the following might be the function of the brown fat tissue? 





A) to increase the rate of oxidative phosphorylation from its few mitochondria
B) to allow the animals to regulate their metabolic rate when it is especially hot
C) to increase the production of ATP
D) to allow other membranes of the cell to perform mitochondrial functions
E) to regulate temperature by converting most of the energy from NADH oxidation to heat






Answer: E

Even though plants carry on photosynthesis, plant cells still use their mitochondria for oxidation of pyruvate. When and where will this occur?

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Even though plants carry on photosynthesis, plant cells still use their mitochondria for oxidation of pyruvate. When and where will this occur? 






A) in photosynthetic cells in the light, while photosynthesis occurs concurrently
B) in nonphotosynthesizing cells only
C) in cells that are storing glucose only
D) in all cells all the time
E) in photosynthesizing cells in the light and in other tissues in the dark







Answer: D

Phosphofructokinase is an allosteric enzyme that catalyzes the conversion of fructose 6-phosphate to fructose 1,6-bisphosphate, an early step of glycolysis. In the presence of oxygen, an increase in the amount of ATP in a cell would be expected to

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Phosphofructokinase is an allosteric enzyme that catalyzes the conversion of fructose 6-phosphate to fructose 1,6-bisphosphate, an early step of glycolysis. In the presence of oxygen, an increase in the amount of ATP in a cell would be expected to 





A) inhibit the enzyme and thus slow the rates of glycolysis and the citric acid cycle.
B) activate the enzyme and thus slow the rates of glycolysis and the citric acid cycle.
C) inhibit the enzyme and thus increase the rates of glycolysis and the citric acid cycle.
D) activate the enzyme and increase the rates of glycolysis and the citric acid cycle.
E) inhibit the enzyme and thus increase the rate of glycolysis and the concentration of citrate.







Answer: A

Phosphofructokinase is an important control enzyme in the regulation of cellular respiration. Which of the following statements correctly describes phosphofructokinase activity?

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Phosphofructokinase is an important control enzyme in the regulation of cellular respiration. Which of the following statements correctly describes phosphofructokinase activity? 






A) It is inhibited by AMP.
B) It is activated by ATP.
C) It is activated by citrate, an intermediate of the citric acid cycle.
D) It catalyzes the conversion of fructose 1,6-bisphosphate to fructose 6-phosphate, an early step of glycolysis.
E) It is an allosteric enzyme.






Answer: E

You have a friend who lost 7 kg (about 15 pounds) of fat on a regimen of strict diet and exercise. How did the fat leave her body?

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You have a friend who lost 7 kg (about 15 pounds) of fat on a regimen of strict diet and exercise. How did the fat leave her body? 







A) It was released as CO2 and H2O.
B) It was converted to heat and then released.
C) It was converted to ATP, which weighs much less than fat.
D) It was broken down to amino acids and eliminated from the body.
E) It was converted to urine and eliminated from the body.






Answer: A

A mutation in yeast makes it unable to convert pyruvate to ethanol. How will this mutation affect these yeast cells?

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A mutation in yeast makes it unable to convert pyruvate to ethanol. How will this mutation affect these yeast cells? 






A) The mutant yeast will be unable to grow anaerobically.
B) The mutant yeast will grow anaerobically only when given glucose.
C) The mutant yeast will be unable to metabolize glucose.
D) The mutant yeast will die because they cannot regenerate NAD? from NAD.
E) The mutant yeast will metabolize only fatty acids.





Answer: A

When skeletal muscle cells are oxygen-deprived, the heart still pumps. What must the heart muscle cells be able to do?

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When skeletal muscle cells are oxygen-deprived, the heart still pumps. What must the heart muscle cells be able to do? 






A) derive sufficient energy from fermentation
B) continue aerobic metabolism when skeletal muscle cannot
C) transform lactate to pyruvate again
D) remove lactate from the blood
E) remove oxygen from lactate






Answer: B

When an individual is exercising heavily and when the muscle becomes oxygen-deprived, muscle cells convert pyruvate to lactate. What happens to the lactate in skeletal muscle cells?

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When an individual is exercising heavily and when the muscle becomes oxygen-deprived, muscle cells convert pyruvate to lactate. What happens to the lactate in skeletal muscle cells? 







A) It is converted to NAD?.
B) It produces CO2 and water.
C) It is taken to the liver and converted back to pyruvate.
D) It reduces FADH2 to FAD?.
E) It is converted to alcohol.







Answer: C

Why is glycolysis considered to be one of the first metabolic pathways to have evolved?

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Why is glycolysis considered to be one of the first metabolic pathways to have evolved? 





A) It produces much less ATP than does oxidative phosphorylation.
B) It does not involve organelles or specialized structures, does not require oxygen, and is present in most organisms.
C) It is found in prokaryotic cells but not in eukaryotic cells.
D) It relies on chemiosmosis, which is a metabolic mechanism present only in the first cells' prokaryotic cells.
E) It requires the presence of membrane-enclosed cell organelles found only in eukaryotic cells.







Answer: B

Which statement best supports the hypothesis that glycolysis is an ancient metabolic pathway that originated before the last universal common ancestor of life on Earth?

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Which statement best supports the hypothesis that glycolysis is an ancient metabolic pathway that originated before the last universal common ancestor of life on Earth?






A) Glycolysis is widespread and is found in the domains Bacteria, Archaea, and Eukarya.
B) Glycolysis neither uses nor needs O2.
C) Glycolysis is found in all eukaryotic cells.
D) The enzymes of glycolysis are found in the cytosol rather than in a membrane-enclosed organelle.
E) Ancient prokaryotic cells, the most primitive of cells, made extensive use of glycolysis long before oxygen was present in Earth's atmosphere.







Answer: A

An organism is discovered that thrives both in the presence and absence of oxygen in the air. Curiously, the consumption of sugar increases as oxygen is removed from the organism's environment, even though the organism does not gain much weight. This organism

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An organism is discovered that thrives both in the presence and absence of oxygen in the air. Curiously, the consumption of sugar increases as oxygen is removed from the organism's environment, even though the organism does not gain much weight. This organism 






A) must use a molecule other than oxygen to accept electrons from the electron transport chain.
B) is a normal eukaryotic organism.
C) is photosynthetic.
D) is an anaerobic organism.
E) is a facultative anaerobe.








Answer: E

In alcohol fermentation, NAD? is regenerated from NADH by

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In alcohol fermentation, NAD? is regenerated from NADH by 





A) reduction of acetaldehyde to ethanol (ethyl alcohol).
B) oxidation of pyruvate to acetyl CoA.
C) reduction of pyruvate to form lactate.
D) oxidation of ethanol to acetyl CoA.
E) reduction of ethanol to pyruvate.







Answer: A

Which catabolic processes may have been used by cells on ancient Earth before free oxygen became available?

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Which catabolic processes may have been used by cells on ancient Earth before free oxygen became available? 







A) glycolysis and fermentation only
B) glycolysis and the citric acid cycle only
C) glycolysis, pyruvate oxidation, and the citric acid cycle
D) oxidative phosphorylation only
E) glycolysis, pyruvate oxidation, the citric acid cycle, and oxidative phosphorylation, using an electron acceptor other than oxygen






Answer: E

In a mitochondrion, if the matrix ATP concentration is high, and the intermembrane space proton concentration is too low to generate sufficient proton-motive force, then

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In a mitochondrion, if the matrix ATP concentration is high, and the intermembrane space proton concentration is too low to generate sufficient proton-motive force, then 






A) ATP synthase will increase the rate of ATP synthesis.
B) ATP synthase will stop working.
C) ATP synthase will hydrolyze ATP and pump protons into the intermembrane space.
D) ATP synthase will hydrolyze ATP and pump protons into the matrix.








Answer: C

Brown fat cells produce a protein called thermogenin in their mitochondrial inner membrane. Thermogenin is a channel for facilitated transport of protons across the membrane. What will occur in the brown fat cells when they produce thermogenin?

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Brown fat cells produce a protein called thermogenin in their mitochondrial inner membrane. Thermogenin is a channel for facilitated transport of protons across the membrane. What will occur in the brown fat cells when they produce thermogenin? 






A) ATP synthesis and heat generation will both increase.
B) ATP synthesis will increase, and heat generation will decrease.
C) ATP synthesis will decrease, and heat generation will increase.
D) ATP synthesis and heat generation will both decrease.
E) ATP synthesis and heat generation will stay the same.








Answer: C

In liver cells, the inner mitochondrial membranes are about five times the area of the outer mitochondrial membranes. What purpose must this serve?

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In liver cells, the inner mitochondrial membranes are about five times the area of the outer mitochondrial membranes. What purpose must this serve? 







A) It allows for an increased rate of glycolysis.
B) It allows for an increased rate of the citric acid cycle.
C) It increases the surface for oxidative phosphorylation.
D) It increases the surface for substrate-level phosphorylation.
E) It allows the liver cell to have fewer mitochondria.







Answer: C

What is proton-motive force?

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What is proton-motive force? 





A) the force required to remove an electron from hydrogen
B) the force exerted on a proton by a transmembrane proton concentration gradient
C) the force that moves hydrogen into the intermembrane space
D) the force that moves hydrogen into the mitochondrion
E) the force that moves hydrogen to NAD?





Answer: B

If a cell is able to synthesize 30 ATP molecules for each molecule of glucose completely oxidized by carbon dioxide and water, how many ATP molecules can the cell synthesize for each molecule of pyruvate oxidized to carbon dioxide and water?

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If a cell is able to synthesize 30 ATP molecules for each molecule of glucose completely oxidized by carbon dioxide and water, how many ATP molecules can the cell synthesize for each molecule of pyruvate oxidized to carbon dioxide and water? 






A) 0
B) 1
C) 12
D) 14
E) 15







Answer: C

Chemiosmotic ATP synthesis (oxidative phosphorylation) occurs in

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Chemiosmotic ATP synthesis (oxidative phosphorylation) occurs in 







A) all cells, but only in the presence of oxygen.
B) only eukaryotic cells, in the presence of oxygen.
C) only in mitochondria, using either oxygen or other electron acceptors.
D) all respiring cells, both prokaryotic and eukaryotic, using either oxygen or other electron acceptors.
E) all cells, in the absence of respiration.







Answer: D

The synthesis of ATP by oxidative phosphorylation, using the energy released by movement of protons across the membrane down their electrochemical gradient, is an example of

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The synthesis of ATP by oxidative phosphorylation, using the energy released by movement of protons across the membrane down their electrochemical gradient, is an example of 






A) active transport.
B) an endergonic reaction coupled to an exergonic reaction.
C) a reaction with a positive ?G .
D) osmosis.
E) allosteric regulation.







Answer: B

It is possible to prepare vesicles from portions of the inner mitochondrial membrane. Which one of the following processes could still be carried on by this isolated inner membrane?

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It is possible to prepare vesicles from portions of the inner mitochondrial membrane. Which one of the following processes could still be carried on by this isolated inner membrane? 






A) the citric acid cycle
B) oxidative phosphorylation
C) glycolysis and fermentation
D) reduction of NAD?
E) both the citric acid cycle and oxidative phosphorylation





Answer: B

When hydrogen ions are pumped from the mitochondrial matrix across the inner membrane and into the intermembrane space, the result is the

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When hydrogen ions are pumped from the mitochondrial matrix across the inner membrane and into the intermembrane space, the result is the 






A) formation of ATP.
B) reduction of NAD?.
C) restoration of the Na?/K? balance across the membrane.
D) creation of a proton-motive force.
E) lowering of pH in the mitochondrial matrix.





Answer: D

The direct energy source that drives ATP synthesis during respiratory oxidative phosphorylation in eukaryotic cells is

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The direct energy source that drives ATP synthesis during respiratory oxidative phosphorylation in eukaryotic cells is 





A) oxidation of glucose to CO2 and water.
B) the thermodynamically favorable flow of electrons from NADH to the mitochondrial electron transport carriers.
C) the final transfer of electrons to oxygen.
D) the proton-motive force across the inner mitochondrial membrane.
E) the thermodynamically favorable transfer of phosphate from glycolysis and the citric acid cycle intermediate molecules of ADP.







Answer: D

In chemiosmotic phosphorylation, what is the most direct source of energy that is used to convert ADP + Pi to ATP?

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In chemiosmotic phosphorylation, what is the most direct source of energy that is used to convert ADP + Pi to ATP? 






A) energy released as electrons flow through the electron transport system
B) energy released from substrate-level phosphorylation
C) energy released from movement of protons through ATP synthase, against the electrochemical gradient
D) energy released from movement of protons through ATP synthase, down the electrochemical gradient
E) No external source of energy is required because the reaction is exergonic.







Answer: D

Inside an active mitochondrion, most electrons follow which pathway?

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Inside an active mitochondrion, most electrons follow which pathway? 






A) glycolysis ? NADH ? oxidative phosphorylation ? ATP ? oxygen
B) citric acid cycle ? FADH2 ? electron transport chain ? ATP
C) electron transport chain ? citric acid cycle ? ATP ? oxygen
D) pyruvate ? citric acid cycle ? ATP ? NADH ? oxygen
E) citric acid cycle ? NADH ? electron transport chain ? oxygen







Answer: E

The primary role of oxygen in cellular respiration is to

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The primary role of oxygen in cellular respiration is to 






A) yield energy in the form of ATP as it is passed down the respiratory chain.
B) act as an acceptor for electrons and hydrogen, forming water.
C) combine with carbon, forming CO2.
D) combine with lactate, forming pyruvate.
E) catalyze the reactions of glycolysis.






Answer: B

In cellular respiration, the energy for most ATP synthesis is supplied by

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In cellular respiration, the energy for most ATP synthesis is supplied by 






A) high energy phosphate bonds in organic molecules.
B) a proton gradient across a membrane.
C) converting oxygen to ATP.
D) transferring electrons from organic molecules to pyruvate.
E) generating carbon dioxide and oxygen in the electron transport chain.







Answer: B
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