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Exam 7: How Cells Release Chemical Energy

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Question 31

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What is lost when acetyl-CoA enters into the Krebs cycle?

A) pyruvate.
B) coenzyme A.
C) fructose bisphosphate.
D) oxaloacetate.
E) citrate.

F) A) and E)
G) A) and D)

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Question 32

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Discuss how photosynthesis is a natural partner for aerobic respiration.

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Photosynthesis produces glucose and oxyg...

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Question 33

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Classification.Use the five compounds listed below for the following questions. a.ethanol b.pyruvate c.lactate d.citrate e.acetaldehyde -Acetyl-CoA is produced when __________ is broken down.

Classification.Use the five compounds listed below for the following questions. a.ethanol b.pyruvate c.lactate d.citrate e.acetaldehyde -The electron transport chain begins to function when __________ or __________ are oxidized.

If you were searching for anaerobic bacteria, you would NOT look for them in

Classification.Use the five processes listed below for the following questions. a.glycolysis b.aerobic respiration c.anaerobic electron transfer d.alcoholic fermentation e.lactate fermentation -This process involves electron transfer phosphorylation.

MATCHING Matching.Select the one most appropriate choice for each. a.produces NADH and CO₂; pyruvate oxidized b.produces ATP, NADH, and CO₂ c.splits glucose into two pyruvate molecules d.regenerates NAD⁺ as pyruvate is converted to ethanol or lactate e.uses a membrane-bound system that sets up production of ATP -electron transfer phosphorylation

Because of its location in the electron transfer chain, delivery of electrons to each NADH results in ____ ATPs.

MATCHING Matching.Select the one most appropriate choice for each. a.produces NADH and CO₂; pyruvate oxidized b.produces ATP, NADH, and CO₂ c.splits glucose into two pyruvate molecules d.regenerates NAD⁺ as pyruvate is converted to ethanol or lactate e.uses a membrane-bound system that sets up production of ATP -glycolysis

During the Krebs cycle,

For animals, the final hydrogen acceptor in cellular respiration is

When glucose is used as the energy source, the largest amount of ATP is produced in

If fermentation pathways follow glycolysis,

Classification.Use the five processes listed below for the following questions. a.glycolysis b.aerobic respiration c.anaerobic electron transfer d.alcoholic fermentation e.lactate fermentation -This process yields the most energy.

In a mitochondrion, a mutation occurs such that the protein responsible for accepting electrons from FADH2 no longer functions.How many net ATP will this mitochondrion make in aerobic respiration?

What is the ultimate fate of the carbon atoms in a glucose molecule that goes through aerobic respiration?

Which statement is true?

Glycolysis depends upon a continuous supply of NAD⁺ and

Classification.Use the five compounds listed below for the following questions. a.ethanol b.pyruvate c.lactate d.citrate e.acetaldehyde -Glucose-6-phosphate is trapped within the cell because __________.

Pyruvate is the end product of