Question 1

Which of the following is NOT a catabolic reaction that cells use to get energy from nutrients?

Accepted Answer

A)  Cellular respiration
B)  Fermentation
C)  Photosynthesis
D)  Anaerobic respiration
E)  Digestion

Question 2

Plants do photosynthesis only and animals do cellular respiration only.

Accepted Answer

A) True 
 B)False

Question 3

Which of the following is(are) products of the Krebs cycle?

Accepted Answer

A)  CO2 and ATP
B)  CO2 ATP,FADH2
C)  ATP and NADH
D)  CO2,ATP,NADH,FADH2
E)  ATP,NADH,FADH2

Question 4

Depending on your body's needs,acetyl-CoA is either directed into the Krebs cycle or

Accepted Answer

A)  channeled into fat synthesis.
B)  fermented into alcohol.
C)  sent back to glycolysis.
D)  sent to the electron transport chain.
E)  fermented to lactic acid.

Question 5

The first stage of cellular respiration,called __________,takes place in the cytoplasm of the cell and needs no oxygen.

Accepted Answer

A)  glycolysis
B)  Krebs cycle
C)  photorespiration
D)  oxidation

Question 6

How many net ATP are made in glycolysis?

Accepted Answer

A)  1
B)  2
C)  6
D)  34
E)  38

Question 7

Which of the following macromolecules can be broken down into intermediate products that enter cellular respiration?

Accepted Answer

A)  Proteins
B)  Lipids
C)  Nucleic acids
D)  Carbohydrates
E)  All of the choices are correct

Question 8

Glycolysis takes place in the ____________,and the Krebs cycle and electron transport chain take place in the __________.

Accepted Answer

A)  mitochondrial matrix;inner mitochondrial membrane
B)  cytoplasm;endoplasmic reticulum
C)  intermembrane space of the mitochondria;mitochondrial matrix
D)  cytoplasm;mitochondria
E)  mitochondria;cytoplasm

Question 9

Explain which process evolved first-glycolysis or the Krebs cycle.

Accepted Answer

Glycolysis evolved first because cells o...

Question 10

Which is incorrect about anaerobic respiration?

Accepted Answer

A)  Some organisms use organic molecules as final electron acceptors
B)  Anaerobic respiration consumes a small amount of oxygen
C)  It allows cells to continue to produce ATP through glycolysis
D)  When human muscles are lacking oxygen,lactate is produced
E)  Fermentation recycles NADH back to NAD+

Question 11

During fermentation in yeast,acetaldehyde accepts a hydrogen atom from NADH and is converted to _______________.

Accepted Answer

The answer of During fermentation in yeast,acetaldehyde accepts a hydrogen...

Question 12

When ATP is made during glycolysis and the Krebs cycle,it is by

Accepted Answer

A)  oxidative phosphorylation.
B)  substrate-level phosphorylation.
C)  photophosphorylation.
D)  chemiosmosis.
E)  ATPasE.

Question 13

During which stage(s) of cellular respiration is CO2 produced?

Accepted Answer

A)  Glycolysis and Krebs cycle
B)  Krebs cycle only
C)  Electron transport chain
D)  Oxidation of pyruvate to acetyl-CoA and Krebs cycle
E)  Krebs cycle and electron transport chain

Question 14

Which stage of cell respiration makes the majority of ATP?

Accepted Answer

A)  Glycolysis
B)  Krebs cycle
C)  Electron transport chain
D)  Fermentation
E)  They all produce the same amount

Question 15

ATP is formed when ___________ passes back across the membrane through ATP synthase channels.

Accepted Answer

The answer of ATP is formed when ___________ passes back...

Question 16

What is needed for the end product of glycolysis,pyruvate,to enter the Krebs cycle?

Accepted Answer

A)  More glucose for energy
B)  ATP
C)  Carbon dioxide
D)  Oxygen

Question 17

A proton _______ drives the protons out across the mitochondrial membrane into the intermembrane space.

Accepted Answer

The answer of A proton _______ drives the protons out...

Question 18

Cellular respiration

Accepted Answer

A)  oxidizes glucose and reduces oxygen.
B)  oxidizes oxygen and reduces glucose.
C)  releases energy and reduces water.
D)  requires energy and releases NADH.
E)  releases energy and oxygen.

Question 19

The Krebs cycle turns _______ times per glucose.
7-1-2013

Accepted Answer

The answer of The Krebs cycle turns _______ times per...

Question 20

________________ molecules of ATP are generated from the complete cellular respiration of one molecule of glucose.

Accepted Answer

The answer of ________________ molecules of ATP are generated from...

Exam 7: How Cells Harvest Energy From Food

Depending on your body's needs,acetyl-CoA is either directed into the Krebs cycle or

Correct AnswerverifiedShow Answer

Which stage of cell respiration makes the majority of ATP?

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Which of the following macromolecules can be broken down into intermediate products that enter cellular respiration?

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The first stage of cellular respiration,called __________,takes place in the cytoplasm of the cell and needs no oxygen.

Correct AnswerverifiedShow Answer

Which of the following is NOT a catabolic reaction that cells use to get energy from nutrients?

Correct AnswerverifiedShow Answer

________________ molecules of ATP are generated from the complete cellular respiration of one molecule of glucose.

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When ATP is made during glycolysis and the Krebs cycle,it is by

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A proton _______ drives the protons out across the mitochondrial membrane into the intermembrane space.

Correct AnswerverifiedShow Answer

What is needed for the end product of glycolysis,pyruvate,to enter the Krebs cycle?

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During fermentation in yeast,acetaldehyde accepts a hydrogen atom from NADH and is converted to _______________.

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Explain which process evolved first-glycolysis or the Krebs cycle.

Correct AnswerverifiedGlycolysis evolved first because cells o...View AnswerShow Answer

Which of the following is(are) products of the Krebs cycle?

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Glycolysis takes place in the ____________,and the Krebs cycle and electron transport chain take place in the __________.

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The Krebs cycle turns _______ times per glucose. 7-1-2013

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How many net ATP are made in glycolysis?

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Cellular respiration

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Which is incorrect about anaerobic respiration?

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During which stage(s) of cellular respiration is CO2 produced?

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Plants do photosynthesis only and animals do cellular respiration only.

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ATP is formed when ___________ passes back across the membrane through ATP synthase channels.

Correct AnswerverifiedShow Answer

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Glycolysis evolved first because cells o...
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Glycolysis takes place in the __,and the Krebs cycle and electron transport chain take place in the .

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During which stage(s) of cellular respiration is CO₂ produced?

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