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Which process is used to make bread rise?


A) lactic acid fermentation
B) glycolysis
C) alcoholic fermentation
D) the citric acid cycle
E) cellular respiration

F) A) and B)
G) A) and C)

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The energy released from glucose by the process of cellular respiration is in the form of


A) ADP and heat.
B) ATP and heat.
C) heat only.
D) ATP and NADH.
E) chemical and heat energy.

F) A) and B)
G) A) and C)

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The processes of glycolysis that break down glucose to pyruvate during the energy-investment phase involve the removal of


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

F) D) and E)
G) B) and C)

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A product of glycolysis is


A) ethyl alcohol.
B) lactic acid.
C) pyruvate.
D) oxygen.
E) acetyl-CoA.

F) All of the above
G) A) and D)

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


A) It is lowest in the intermembrane space.
B) It is highest in the intermembrane space.
C) It is lowest in the mitochondrial matrix.
D) There is no difference in pH.
E) It is highest in the mitochondrial matrix.

F) B) and C)
G) A) and C)

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The production of ATP in glycolysis and the citric acid cycle occurs through the


A) removal of electrons and hydrogen from glucose.
B) removal of a phosphate group from a substrate that is then added to ADP.
C) capture of solar energy that donates electrons.
D) breakdown of glucose to pyruvate.
E) addition of electrons and hydrogen from glucose.

F) B) and D)
G) B) and C)

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Where do the protons and electrons come from that are used in the electron transport chain?


A) ATP
B) NADH
C) FADH2
D) ADP
E) NADH and FADH2

F) B) and C)
G) A) and D)

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The citric acid cycle starts with ________ and yields ________.


A) lactic acid; carbon dioxide
B) glucose; 32 ATPs
C) acetyl-CoA; lactic acid or alcohol
D) acetyl-CoA, NAD, FAD, and ADP; carbon dioxide, NADH, FADH2, and ATP
E) carbon dioxide; oxygen

F) A) and B)
G) C) and D)

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If three molecules of glucose went through glycolysis and into the citric acid cycle, how many times would the preparatory reaction occur?


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

F) None of the above
G) A) and D)

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Where in the cell does glycolysis occur?


A) cytoplasm
B) mitochondrion
C) matrix of mitochondrion
D) cristae of mitochondrion
E) nucleus

F) C) and E)
G) A) and B)

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Cellular respiration uses oxygen to convert the chemical energy stored in organic molecules into


A) energy in other organic molecules.
B) energy in ATP.
C) energy in carbon dioxide.
D) water.
E) pyruvate.

F) B) and D)
G) A) and D)

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The product of the preparatory reaction is


A) pyruvate.
B) acetyl-CoA.
C) glucose.
D) water.
E) carbon dioxide.

F) B) and C)
G) B) and D)

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What happened to the hamburger you had for lunch?


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 cell.
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) C) and E)
G) All of the above

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By-products of cellular respiration include


A) FADH2 and NADH.
B) NADH and ATP.
C) oxygen and heat.
D) carbon dioxide and water.
E) carbon dioxide and oxygen.

F) None of the above
G) B) and C)

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Which of the following reactions is not part of the cellular respiration pathway?


A) Calvin cycle
B) glycolysis
C) citric acid cycle
D) electron transport chain
E) preparatory reaction

F) B) and E)
G) None of the above

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The cristae of a mitochondrion are critical


A) in providing a space for glycolysis to occur.
B) in creating a space for concentration of H+.
C) as a site for the electron transport chain.
D) both as a site for the electron transport chain and creating a space for concentration of H+.
E) in providing a place for the Calvin cycle.

F) All of the above
G) A) and B)

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Cellular respiration is the opposite of what other cellular process?


A) fermentation
B) cell division
C) hydrolysis
D) photosynthesis
E) dehydration synthesis

F) None of the above
G) C) and D)

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What must pyruvate be converted into before it can enter the citric acid cycle?


A) lactic acid
B) ethyl alcohol
C) acetyl-CoA
D) citric acid
E) pyruvate

F) B) and E)
G) B) and D)

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