Question 1

The number of ATPs produced directly as a result of one turn of the citric acid cycle is

Accepted Answer

A)   1.
B)   2.
C)   12.
D)   14.
E)   16.F) C) and E)
G) None of the above

Question 2

An acetyl group contains how many carbons?

Accepted Answer

A)   one
B)   two
C)   three
D)   four
E)   sixF) B) and E)
G) A) and D)

Question 3

Which pathway in cellular respiration will produce ATP,NADH2,and carbon dioxide?

Accepted Answer

A)   glycolysis
B)   preparation reaction
C)   citric acid cycle
D)   electron transport chain
E)   photosynthesisF) D) and E)
G) B) and C)

Question 4

Cellular respiration involves all of the following except

Accepted Answer

A)   the breaking down of molecules.
B)   the release of energy.
C)   the synthesis of ATP.
D)   breathing in and out.
E)   the release of carbon dioxide.F) None of the above
G) C) and D)

Question 5

How efficient is the breakdown of one glucose via cellular respiration?

Accepted Answer

A)   100%
B)   60%
C)   40%
D)   20%
E)   less than 10%F) C) and E)
G) A) and B)

Question 6

The only end product of alcoholic fermentation is the alcohol.

Accepted Answer

A) True 
 B)False

Question 7

Why is cellular respiration organized into four phases?

Accepted Answer

A)   So that the energy within the glucose molecule can be released in a stepwise fashion.
B)   So that it can take place within different cells.
C)   So that most of the energy can be released as body heat.
D)   So that oxidation can occur without reduction.
E)   So that the body can make energy from different substrates.F) C) and E)
G) A) and C)

Question 8

There is a net gain of four ATPs as a result of glycolysis.

Accepted Answer

A) True 
 B)False

Question 9

The most efficient method to produce ATP in animal cells is by glycolysis.

Accepted Answer

A) True 
 B)False

Question 10

How many NADH + H+ are produced by the citric acid cycle per turn?

Accepted Answer

A)   one
B)   two
C)   three
D)   four
E)   sixF) A) and D)
G) A) and E)

Question 11

What is the input requirements of glycolysis?

Accepted Answer

A)   2 ATP, 2 NAD+, glucose, and 4 ADP
B)   4 ATP, 2 NAD+, glucose, and 4 ADP
C)   2 pyruvates, 2 NADH, and 2 ADP
D)   2 ATP, 4 NAD+, glucose, and 4 ADP
E)   2 ATP, 2 NAD+, glucose, and 2 ADPF) A) and C)
G) A) and B)

Question 12

How many molecules are formed from the cleavage of glucose during the first step of glycolysis? How many carbons are found in the resulting molecules?

Accepted Answer

A)   6 molecules, each with 2 carbons
B)   4 molecules, each with 3 carbons
C)   3 molecules, each with 4 carbons
D)   2 molecules, each with 3 carbons
E)   3 molecules, each with 2 carbonsF) A) and C)
G) A) and B)

Question 13

All of the ATP molecules formed by the complete oxidation of glucose result from the electron transfer chain.

Accepted Answer

A) True 
 B)False

Question 14

The energy difference between the reactant glucose and oxygen molecules and the product water and carbon dioxide is 686 kilocalories,yet the 36 ATP molecules produced are only storing 263 kilocalories in their outermost phosphate bond.The rest of the energy went

Accepted Answer

A)   to the ADP fragment of the ATP molecule.
B)   into providing the energy for life.
C)   to power the electron transport chain.
D)   to provide heat that is soon lost from the organism.
E)   nowhere, but was destroyed.F) A) and E)
G) A) and D)

Question 15

Which molecules are the reactants or substrates for aerobic respiration?

Accepted Answer

A)   glucose and carbon dioxide
B)   lactate and oxygen
C)   carbon dioxide and water
D)   oxygen and glucose
E)   glucose and waterF) A) and E)
G) None of the above

Question 16

The carriers of the electron transport chain are located

Accepted Answer

A)   in the matrix of the mitochondria.
B)   on the outer mitochondrial membrane.
C)   on the cristae of the mitochondria.
D)   within the intermembrane space.
E)   within the cytoplasm of the cell.F) C) and E)
G) A) and E)

Question 17

Cellular respiration is an aerobic process.This means that it

Accepted Answer

A)   uses energy.
B)   produces energy.
C)   requires carbon dioxide.
D)   requires water.
E)   requires oxygen.F) A) and D)
G) A) and C)

Question 18

For the complete respiration of one molecule of glucose,the citric acid cycle must turn a total of

Accepted Answer

A)   one time.
B)   two times.
C)   three times.
D)   four times.
E)   six times.F) A) and C)
G) B) and D)

Question 19

Which of the following best defines substrate-level ATP synthesis?

Accepted Answer

A)   An enzyme passes a high-energy phosphate to ADP resulting in ATP.
B)   ATP is used to activate glucose for glycolysis.
C)   An exergonic reaction is used to drive the synthesis of ATP from ADP plus phosphate.
D)   Oxidation of a substrate results in a high energy bond.
E)   ATP is synthesized from adenosine plus 3 phosphates.F) A) and E)
G) C) and E)

Question 20

Pyruvate contains less chemical energy than glucose.

Accepted Answer

A) True 
 B)False

Exam 7: Cellular Respiration

There is a net gain of four ATPs as a result of glycolysis.

Correct AnswerverifiedShow Answer

For the complete respiration of one molecule of glucose,the citric acid cycle must turn a total of

Correct AnswerverifiedShow Answer

Cellular respiration involves all of the following except

Correct AnswerverifiedShow Answer

Cellular respiration is an aerobic process.This means that it

Correct AnswerverifiedShow Answer

The energy difference between the reactant glucose and oxygen molecules and the product water and carbon dioxide is 686 kilocalories,yet the 36 ATP molecules produced are only storing 263 kilocalories in their outermost phosphate bond.The rest of the energy went

Correct AnswerverifiedShow Answer

How many molecules are formed from the cleavage of glucose during the first step of glycolysis? How many carbons are found in the resulting molecules?

Correct AnswerverifiedShow Answer

How many NADH + H+ are produced by the citric acid cycle per turn?

Correct AnswerverifiedShow Answer

An acetyl group contains how many carbons?

Correct AnswerverifiedShow Answer

How efficient is the breakdown of one glucose via cellular respiration?

Correct AnswerverifiedShow Answer

Pyruvate contains less chemical energy than glucose.

Correct AnswerverifiedShow Answer

Which pathway in cellular respiration will produce ATP,NADH2,and carbon dioxide?

Correct AnswerverifiedShow Answer

The number of ATPs produced directly as a result of one turn of the citric acid cycle is

Correct AnswerverifiedShow Answer

The most efficient method to produce ATP in animal cells is by glycolysis.

Correct AnswerverifiedShow Answer

What is the input requirements of glycolysis?

Correct AnswerverifiedShow Answer

All of the ATP molecules formed by the complete oxidation of glucose result from the electron transfer chain.

Correct AnswerverifiedShow Answer

Why is cellular respiration organized into four phases?

Correct AnswerverifiedShow Answer

The carriers of the electron transport chain are located

Correct AnswerverifiedShow Answer

The only end product of alcoholic fermentation is the alcohol.

Correct AnswerverifiedShow Answer

Which of the following best defines substrate-level ATP synthesis?

Correct AnswerverifiedShow Answer

Which molecules are the reactants or substrates for aerobic respiration?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

How many NADH + H⁺ are produced by the citric acid cycle per turn?

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Which pathway in cellular respiration will produce ATP,NADH₂,and carbon dioxide?

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified