AnswersFirst Semester BiologyCellular Respiration

Cellular Respiration Answers

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1
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Consider the stage of cellular respiration that is shown in the diagram.What is the net ATP gain at this stage of cellular respiration?

Question illustration
A
2
B
4
C
32
D
36
2
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During glycolysis, glucose is broken down into two molecules of pyruvate. What is the main transformation that occurs during glycolysis?

Question illustration
A
Glycolysis produces ATP and pyruvate by oxidizing water.
B
Glycolysis produces ATP and pyruvate by oxidizing glucose and NAD+.
C
Glycolysis produces pyruvate, ATP, and NADH by oxidizing glucose.
D
Glycolysis produces CO2, ATP, and pyruvate by reducing glucose.
3

The Venn diagram compares aerobic respiration and anaerobic respiration.Which statement should be categorized only in the aerobic section of the Venn diagram?

Question illustration
A
occurs in the cytoplasm
B
produces water
C
requires no oxygen
D
is performed by yeast
4

Which statement about cellular respiration is true?

A
It produces oxygen.
B
It requires water.
C
It is used by every living cell.
D
It converts energy to food.
5

What do alcohol fermentation, acetyl CoA formation, and the Krebs cycle have in common?

A
All produce water.
B
All produce carbon dioxide.
C
All produce ATP.
D
All produce alcohol.
6

What role does cellular respiration play in the water cycle?

A
It removes H2O from the atmosphere during glycolysis.
B
It removes H2O from the atmosphere during acetyl CoA formation.
C
It releases H2O to the atmosphere during the citric acid cycle.
D
It releases H2O to the atmosphere during electron transport.
7

Which is a commercial use for lactic acid fermentation?

A
making starch
B
making bread
C
making wine
D
making cheese
8

What is the overall net gain of ATP in aerobic respiration per one molecule of glucose?

A
between 0-10
B
between 10-20
C
between 30-40
D
between 40-50
9

What do aerobic respiration and anaerobic respiration have in common?

A
Both begin with glycolysis.
B
Both occur in mitochondria.
C
Both require oxygen to proceed.
D
Both end with the electron transport chain.
10

The equation shows cellular respiration. During cellular respiration, glucose combines with oxygen to form carbon dioxide, water, and ATP. What happens to the energy in the bonds in glucose?

Question illustration
A
The energy is transferred to oxygen.
B
The energy is transferred to carbon dioxide.
C
The energy is transferred to water.
D
The energy is transferred to ATP.
11

Which statement about anaerobic respiration is true?

A
Anaerobic respiration prevents muscle fatigue.
B
Anaerobic respiration generates a high yield of ATP.
C
Anaerobic respiration is used commercially in the production of beer, wine, bread, yogurt, and cheese.
D
Anaerobic respiration can provide energy to animals for several days in the absence of oxygen.
12

The Venn diagram compares aerobic respiration and anaerobic respiration.Which statement should be categorized only in the aerobic section of the Venn diagram?

Question illustration
A
occurs in the cytoplasm
B
produces water
C
requires no oxygen
D
is performed by yeast

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