Question 1

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 water

Question 2

The citric acid cycle turns once for each original glucose molecule.

Accepted Answer

A) True 
 B)False

Question 3

Which of the following is a substrate of cellular respiration?

Accepted Answer

A)  carbon dioxide
B)  water
C)  glucose
D)  ATP
E)  energy

Question 4

Cellular respiration involves all of the following except

Accepted Answer

A)  the breakdown of molecules.
B)  the release of energy.
C)  the synthesis of ATP.
D)  breathing in and out.
E)  the release of carbon dioxide.

Question 5

Which is a correct association of mitochondrion structure and phase of cellular respiration?

Accepted Answer

A)  matrix - electron transport chain
B)  cristae - preparatory reaction
C)  matrix - citric acid cycle
D)  matrix - glycolysis
E)  cristae - glycolysis

Question 6

Muscles undergo fermentation when

Accepted Answer

A)  no oxygen is available.
B)  no water is available.
C)  no carbon dioxide is available.
D)  no ATP is available.
E)  no pyruvate is available.

Question 7

The equation: C6H12O6 + 6O2  →\rightarrow→  38 ATP + 6CO2 + 6H2O represents which cellular process?

Accepted Answer

A)  glycolysis
B)  electron transport system
C)  citric acid cycle
D)  photosynthesis
E)  cellular respiration

Question 8

Which of the following statements is NOT true?

Accepted Answer

A)  The end product of glycolysis is pyruvate.
B)  The citric acid cycle begins and ends with pyruvate.
C)  NADH2 will eventually produce three ATP molecules.
D)  Aerobic respiration of glucose has four phases.
E)  Aerobic respiration uses oxygen and releases carbon dioxide.

Question 9

If the carbons from glucose were radioactively labeled,what molecule(s) would end up with the label?

Accepted Answer

A)  pyruvate
B)  citric acid
C)  carbon dioxide
D)  carbon dioxide and citrate
E)  pyruvate and carbon dioxide

Question 10

Which molecules are the products of aerobic respiration?

Accepted Answer

A)  glucose and carbon dioxide
B)  glucose and water
C)  glucose and oxygen
D)  lactate and carbon dioxide
E)  carbon dioxide and water

Question 11

The ATP synthase complex is located in the

Accepted Answer

A)  cytoplasm outside the mitochondria.
B)  matrix inside the mitochondria.
C)  cristae of the mitochondria.
D)  outer membrane of the mitochondria.
E)  plasma membrane of the cell.

Question 12

Where does glycolysis take place within the cell?

Accepted Answer

A)  endoplasmic reticulum
B)  nucleus
C)  mitochondrial matrix
D)  mitochondrial membrane
E)  cytoplasm

Question 13

The final acceptor for hydrogen ions in aerobic cellular respiration is

Accepted Answer

A)  oxygen.
B)  pyruvate.
C)  CoA.
D)  glucose.
E)  carbon dioxide.

Question 14

Why does chemiosmosis require a membrane?

Accepted Answer

A)  to anchor proteins within the mitochondria
B)  because the phospholipids are involved in the electron transport chain
C)  to separate two compartments of the cell to allow for gradient formation
D)  to generate H+ from water
E)  to provide a large surface area

Question 15

The final product of glycolysis is oxygen.

Accepted Answer

A) True 
 B)False

Question 16

Fermentation is inefficient in using the energy found in food molecules and the resulting alcohol can be toxic to the organism producing it.Which of the following is not a reason why an organism would utilize fermentation?

Accepted Answer

A)  If glucose levels are not high,there may be time to disperse the toxic alcohol waste.
B)  The organism can survive short spells of anaerobic conditions and maintain growth and reproduction.
C)  Fermentation can provide a rapid burst of ATP since it does not have to go through the full breakdown cycle.
D)  Fermentation is the preferred process,even when oxygen is available.
E)  For very small organisms,fermentation can be a simple process and is less complicated than cellular respiration.

Question 17

Fermentation follows glycolysis in some cells if oxygen is not available.

Accepted Answer

A) True 
 B)False

Question 18

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.

Question 19

An acetyl group contains how many carbons?

Accepted Answer

A)  one
B)  two
C)  three
D)  four
E)  six

Question 20

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 carbons

Exam 7: Cellular Respiration

If the carbons from glucose were radioactively labeled,what molecule(s) would end up with the label?

Correct AnswerverifiedShow Answer

The equation: C6H12O6 + 6O2 →\rightarrow→ 38 ATP + 6CO2 + 6H2O represents which cellular process?

Correct AnswerverifiedShow Answer

Cellular respiration involves all of the following except

Correct AnswerverifiedShow Answer

An acetyl group contains how many carbons?

Correct AnswerverifiedShow Answer

The ATP synthase complex is located in the

Correct AnswerverifiedShow Answer

The final product of glycolysis is oxygen.

Correct AnswerverifiedShow Answer

Which molecules are the reactants or substrates for aerobic respiration?

Correct AnswerverifiedShow Answer

Fermentation follows glycolysis in some cells if oxygen is not available.

Correct AnswerverifiedShow Answer

Why does chemiosmosis require a membrane?

Correct AnswerverifiedShow Answer

Which is a correct association of mitochondrion structure and phase of cellular respiration?

Correct AnswerverifiedShow Answer

Which of the following statements is NOT true?

Correct AnswerverifiedShow Answer

Which molecules are the products of aerobic respiration?

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 final acceptor for hydrogen ions in aerobic cellular respiration is

Correct AnswerverifiedShow Answer

Where does glycolysis take place within the cell?

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

The citric acid cycle turns once for each original glucose molecule.

Correct AnswerverifiedShow Answer

Which of the following is a substrate of cellular respiration?

Correct AnswerverifiedShow Answer

Fermentation is inefficient in using the energy found in food molecules and the resulting alcohol can be toxic to the organism producing it.Which of the following is not a reason why an organism would utilize fermentation?

Correct AnswerverifiedShow Answer

Muscles undergo fermentation when

Correct AnswerverifiedShow Answer

Correct Answer
verified

The equation: C₆H₁₂O₆ + 6O₂ $\rightarrow$ 38 ATP + 6CO₂ + 6H₂O represents which cellular process?

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

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