Question 1

The functioning of an electron transport chain is analogous to ________.

Accepted Answer

A)   playing tennis
B)   a rock falling from a cliff
C)   a person jumping from the top to the bottom of a flight of stairs in one jump
D)   a person descending a flight of stairs one step at a timeE) B) and C)
F) A) and D)

Question 2

A new organism is discovered which contains a super enzyme that requires no ATP to split glucose into pyruvate but cannot function if oxygen is present. What is this organism's net production of ATP from one molecule of glucose?

Accepted Answer

A)   2
B)   4
C)   38
D)   40
E)   42F) B) and C)
G) C) and E)

Question 3

Fermentation occurs if ________.

Accepted Answer

A)   glucose is not present
B)   excess ATP is present
C)   oxygen is not present
D)   carbon dioxide is present
E)   carbon dioxide is not presentF) B) and D)
G) D) and E)

Question 4

What happened to the hamburger you had for lunch?

Accepted Answer

A)   All of the carbohydrates were converted to ATP, while the fats and proteins were used to make molecules for the cell.
B)   Carbohydrates, fats, and proteins may be converted to ATP or used to make molecules for the cells.
C)   Carbohydrates and fats are converted to ATP, while proteins are used to make molecules for the cell.
D)   All of the fats and proteins were converted to ATP, while the carbohydrates were used to make molecules for the cell.
E)   All of the proteins were converted to ATP, while the fats and carbohydrates were used to make molecules for the cell.F) A) and B)
G) A) and C)

Question 5

The processes of glycolysis that break down glucose to pyruvate involve

Accepted Answer

A)   the removal of electrons and hydrogen from glucose, and the addition of phosphate to ADP.
B)   the removal of phosphate from glucose and the addition of that phosphate to ATP.
C)   the removal of NAD from glucose and the addition of phosphate to ADP.
D)   the removal of NAD from ATP and the addition of phosphate to ADP.
E)   the removal of electrons from ATP and the addition of phosphate to glucose.F) B) and D)
G) B) and E)

Question 6

The product of the preparatory reaction is ________.

Accepted Answer

A)   pyruvate
B)   acetyl-CoA
C)   glucose
D)   water
E)   carbon dioxideF) B) and D)
G) C) and E)

Question 7

Yeast is used to make bread rise by producing ___ during fermentation.

Accepted Answer

A)   oxygen
B)   heat
C)   oxygen gas
D)   glucose
E)   CO2 gasF) B) and C)
G) C) and D)

Question 8

Glycolysis and the citric acid cycle are similar in that they both produce ________.

Accepted Answer

A)   CO2
B)   NADH
C)   ATP
D)   NADH and ATP
E)   ADPF) C) and D)
G) A) and E)

Question 9

Your friend has been on a diet and loses 15 pounds of fat. After studying cellular respiration how can you explain the weight loss, where did the weight go (how was it lost) ?

Accepted Answer

A)   It was released as carbon dioxide and water.
B)   It was converted to ATP which weighs much less than fat.
C)   It was broken down into amino acids and eliminated from the body.
D)   It was converted to urine and eliminated from the body.
E)   It was released as oxygen and water.F) C) and D)
G) A) and B)

Question 10

Where in the cell does glycolysis occur?

Accepted Answer

A)   cytoplasm
B)   mitochondrion
C)   matrix of mitochondrion
D)   cristae of mitochondrionE) B) and D)
F) B) and C)

Question 11

When glucose is broken down to CO2 and H2O, __________ energy is released and converted into __________.

Accepted Answer

A)   chemical potential; ATP
B)   photosynthetic; ATP
C)   solar; NADH
D)   NADH; ATP
E)   chemical potential; NADHF) All of the above
G) A) and B)

Question 12

The energy of the electrons passing along the electron transport chain is used to produce ____.

Accepted Answer

A)   lactic acid
B)   citric acid
C)   alcohol
D)   ADP
E)   ATPF) B) and D)
G) D) and E)

Question 13

You have decided to try to make your own wine by adding yeast to a sweet grape juice. After allowing plenty of time for the yeast to grow, you find that although the sugar levels in the juice are decreased, there is no alcohol in the mixture. What could have been the reason fermentation did not occur?

Accepted Answer

A)   More sugar needs to be added, yeast need a lot of energy before they produce alcohol.
B)   Less sugar is needed in the juice, high sugar concentration causes cellular respiration to occur instead of fermentation.
C)   Yeast can not ferment grapes, only bacteria can.
D)   The mixture needs less oxygen, yeast only produce alcohol in the absence of oxygen.
E)   The mixture needs more carbon dioxide.F) A) and E)
G) B) and C)

Question 14

Which of the following molecules yields the most ATP from cellular respiration?

Accepted Answer

A)   fat
B)   glucose
C)   pyruvate
D)   FADH2
E)   proteinsF) B) and D)
G) None of the above

Question 15

How many molecules of C2 acetyl group are produced from six molecules of glucose 6 C6H12O6 during aerobic respiration?

Accepted Answer

A)   12
B)   28
C)   6
D)   3
E)   18F) A) and C)
G) B) and C)

Question 16

Calories are contained in sugars and fats but not in artificial sweeteners like NutraSweet. What are possible reasons that NutraSweet does not contain calories?

Accepted Answer

A)   We lack enzymes to break the bonds.
B)   The sweetness is from chemicals other than sugars.
C)   The sugars are more easily broken and converted to energy.
D)   The calories are lost as heat.
E)   We lack enzymes to break the bonds and the sweetness is from chemicals other than sugars.F) A) and E)
G) A) and D)

Question 17

What type(s)  of organisms does cellular respiration occur in?

Accepted Answer

A)   autotrophs
B)   heterotrophs
C)   decomposers
D)   producers
E)   All answers given are correct.F) All of the above
G) A) and B)

Question 18

If you were able to stop the process of cellular respiration after the completion of the electron transport chain but prior chemiosmosis, what would you find is true about the pH in the mitochondria?

Accepted Answer

A)   It is lowest in the intermembrane space.
B)   It is highest in the intermembrane space.
C)   It is the lowest in the mitochondrial matrix.
D)   There is no different in pH.
E)   It is highest in the mitochondrial matrix.F) None of the above
G) B) and D)

Question 19

On the cellular level what process uses oxygen to break food down, producing ATP?

Accepted Answer

A)   photosynthesis
B)   oxidation/reduction reactions
C)   cellular respiration
D)   mitosis
E)   meiosisF) C) and D)
G) A) and C)

Question 20

As a result of glycolysis there is a NET gain of _______ ATPs.

Accepted Answer

A)   0
B)   2
C)   4
D)   36
E)   12F) A) and B)
G) None of the above

Exam 7: Energy for Cells

Yeast is used to make bread rise by producing ___ during fermentation.

Correct Answer
verified

The energy of the electrons passing along the electron transport chain is used to produce ____.

Correct Answer
verified

The functioning of an electron transport chain is analogous to ________.

Correct Answer
verified

What type(s) of organisms does cellular respiration occur in?

Correct Answer
verified

Where in the cell does glycolysis occur?

Correct Answer
verified

Which of the following molecules yields the most ATP from cellular respiration?

Correct Answer
verified

What happened to the hamburger you had for lunch?

Correct Answer
verified

On the cellular level what process uses oxygen to break food down, producing ATP?

Correct Answer
verified

How many molecules of C₂ acetyl group are produced from six molecules of glucose 6 C₆H₁₂O₆ during aerobic respiration?

Correct Answer
verified

Correct Answer
verified

Calories are contained in sugars and fats but not in artificial sweeteners like NutraSweet. What are possible reasons that NutraSweet does not contain calories?

Correct Answer
verified

When glucose is broken down to CO₂ and H₂O, energy is released and converted into .

Correct Answer
verified

The product of the preparatory reaction is ________.

Correct Answer
verified

Your friend has been on a diet and loses 15 pounds of fat. After studying cellular respiration how can you explain the weight loss, where did the weight go (how was it lost) ?

Correct Answer
verified

If you were able to stop the process of cellular respiration after the completion of the electron transport chain but prior chemiosmosis, what would you find is true about the pH in the mitochondria?

Correct Answer
verified

Glycolysis and the citric acid cycle are similar in that they both produce ________.

Correct Answer
verified

The processes of glycolysis that break down glucose to pyruvate involve

Correct Answer
verified

A new organism is discovered which contains a super enzyme that requires no ATP to split glucose into pyruvate but cannot function if oxygen is present. What is this organism's net production of ATP from one molecule of glucose?

Correct Answer
verified

As a result of glycolysis there is a NET gain of _______ ATPs.

Correct Answer
verified

Fermentation occurs if ________.

Correct Answer
verified

Exam 7: Energy for Cells

Yeast is used to make bread rise by producing ___ during fermentation.

Correct AnswerverifiedShow Answer

The energy of the electrons passing along the electron transport chain is used to produce ____.

Correct AnswerverifiedShow Answer

The functioning of an electron transport chain is analogous to ________.

Correct AnswerverifiedShow Answer

What type(s) of organisms does cellular respiration occur in?

Correct AnswerverifiedShow Answer

Where in the cell does glycolysis occur?

Correct AnswerverifiedShow Answer

Which of the following molecules yields the most ATP from cellular respiration?

Correct AnswerverifiedShow Answer

What happened to the hamburger you had for lunch?

Correct AnswerverifiedShow Answer

On the cellular level what process uses oxygen to break food down, producing ATP?

Correct AnswerverifiedShow Answer

How many molecules of C2 acetyl group are produced from six molecules of glucose 6 C6H12O6 during aerobic respiration?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Calories are contained in sugars and fats but not in artificial sweeteners like NutraSweet. What are possible reasons that NutraSweet does not contain calories?

Correct AnswerverifiedShow Answer

When glucose is broken down to CO2 and H2O, __________ energy is released and converted into __________.

Correct AnswerverifiedShow Answer

The product of the preparatory reaction is ________.

Correct AnswerverifiedShow Answer

Your friend has been on a diet and loses 15 pounds of fat. After studying cellular respiration how can you explain the weight loss, where did the weight go (how was it lost) ?

Correct AnswerverifiedShow Answer

If you were able to stop the process of cellular respiration after the completion of the electron transport chain but prior chemiosmosis, what would you find is true about the pH in the mitochondria?

Correct AnswerverifiedShow Answer

Glycolysis and the citric acid cycle are similar in that they both produce ________.

Correct AnswerverifiedShow Answer

The processes of glycolysis that break down glucose to pyruvate involve

Correct AnswerverifiedShow Answer

A new organism is discovered which contains a super enzyme that requires no ATP to split glucose into pyruvate but cannot function if oxygen is present. What is this organism's net production of ATP from one molecule of glucose?

Correct AnswerverifiedShow Answer

As a result of glycolysis there is a NET gain of _______ ATPs.

Correct AnswerverifiedShow Answer

Fermentation occurs if ________.

Correct AnswerverifiedShow Answer

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How many molecules of C₂ acetyl group are produced from six molecules of glucose 6 C₆H₁₂O₆ during aerobic respiration?

Correct Answer
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Correct Answer
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Correct Answer
verified

When glucose is broken down to CO₂ and H₂O, energy is released and converted into .

Correct Answer
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