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AP Biology Cellular Respiration

Total questions: 15

Worksheet time: 15mins

Name
Class
Date
1.

ATP synthesis by ATP synthase is driven by

a)

H+ movement

b)

electron movement

c)

NADH movement

d)

FADH2 movement

2.

What doe FADH2 and NADH bring to the electron transport chain?

a)

Oxygen

b)

Water

c)

Electrons

d)

ATP

3.

Which process does not occur in aerobic (with oxygen) conditions?

a)

Fermentation

b)

Pyruvate Oxidation (Link Reaction)

c)

Citric Acid Cycle or Krebs cycle

d)

Oxidative Phosphorylation

4.

After strenuous exercise, a muscle cell would contain decreased amounts of ______ and increased amounts of ______ ____

a)

glucose; ATP

b)

ATP; glucose

c)

oxygen; lactic acid

d)

lactic acid; ATP

5.

What process is found in both aerobic and anaerobic metabolism?

a)

the Kreb's cycle

b)

oxidative phosphorylation

c)

the citric acid cycle

d)

glycolysis

6.

The main purpose of fermentation is to

a)

produce oxygen

b)

replenish NAD+ for glycolysis

c)

replenish oxaloacetic acid for the Krebs cycle

d)

produce ATP

7.

How many ATP are gained through glycolysis?

a)

0

b)

2

c)

4

d)

30-38

8.

How many ATP produced for each NADH that enter the electron transport chain from Kreb's cycle?

a)

1

b)

2

c)

3

d)

4

9.

How many ATP produced for each FADH2 that enter the electron transport chain from Kreb's cycle?

a)

1

b)

2

c)

3

d)

4

10.

H+ move down their concentration gradient by ___________ back into the matrix.

a)

osmosis

b)

facilitated diffussion

c)

simple diffusion

d)

active transport

11.

Which of the following is not a feature of oxidative phosphorylation?

a)

Direct transfer of phosphate from a substrate molecule to ADP

b)

An electrochemical gradient across the inner mitochondrial membrane

c)

A membrane bound ATP synthase

d)

A proton motive force

12.

ATP synthase synthesis ATP and release ATP into

a)

innermembrane of mitochonndria

b)

matrix of mitochondria

c)

intermembrane space of mitochondria

d)

outermembrane of mitochondria

13.

Which of the following is the final electron acceptor in the electron transport chain during cellular respiration?

a)

Oxygen

b)

Carbon Dioxide

c)

NADH

d)

FADH2

14.

During glycolysis, glucose is broken down into two molecules of what compound?

a)

Pyruvate

b)

Acetyl-CoA

c)

Lactic Acid

d)

Citric Acid

15.

What is the primary purpose of the citric acid cycle in cellular respiration?

a)

To produce ATP directly

b)

To generate electron carriers for the electron transport chain

c)

To convert glucose into pyruvate

d)

To synthesize glucose from carbon dioxide