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Worksheets

CR & PS

Total questions: 15

Worksheet time: 9mins

Name
Class
Date
1.

FADH2 is made during

a)

Glycolysis

b)

Pyruvate oxidation

c)

Citric Acid Cycle

d)

All of the above

2.

During which of the following steps is no ATP made–

a)

Glycolysis

b)

Electron transport chain

c)

Pyruvate modification

d)

Citric Acid Cycle

e)

ATP is made during all the steps

3.

Glycolysis costs ____ATPs, but makes ___ATPs; thus it has a net yield of ___ATPs.

a)

a.3, 6, 3

b)

a.2, 4, 2

c)

a.2, 2, 0

d)

a.0, 2, 2

4.

All of the glycolysis reactions do not require oxygen and can take place in an anaerobic environment.

a)

This is true

b)

This is false

5.

What is the function of the coenzymes, NADH and FADH2 ?

a)

Charging electrons to power ATP synthase

b)

Catalyzing the formation of acetyl-CoA

c)

Providing electrons and H+ to the electron transport chain

d)

Transporting CO2 into the mitochondria

e)

Acting as a terminal electron acceptor

6.

ATP synthase –

a)

Is an H+ channel

b)

Is embedded in the cristae of mitochondria

c)

Spins due to the flow of H+

d)

Uses rotational energy to form ATP

e)

All of the above

7.

What molecule is the key carbohydrate output of photosynthesis?

a)

Oxygen

b)

ATP

c)

NADPH

d)

G3P

e)

Water

8.

What is the function of Rubisco?

a)

Absorption of photon energy

b)

Harvesting electrons from water

c)

Reduction of NADP+

d)

Chemiosmosis

e)

Carbon fixation

9.

The end product of photosynthesis is the starting material of cellular respiration.

a)

This is true

b)

This is false

10.

Atrazine, a common herbicide, is a chemical that blocks the electron from leaving photosystem II. What would be the immediate effect on the plant?

a)

Prevent photon absorption

b)

Blocks electron harvesting from water

c)

Prevents ATP synthesis

d)

Blocks carbon dioxide absorption

e)

None of the above

11.

What type of molecule is represented by this image?

a)

lipid

b)

amino acid

c)

ATP

d)

NAD+

12.

Aconitase is a(n) ____ found in the citric acid cycle.

a)

enzyme

b)

protein

c)

ATP

d)

electron acceptor

13.

How should you interpret this reaction?

a)

hypotonic

b)

hypertonic

c)

exergonic

d)

endergonic

14.

Pyruvate can be used in different metabolic pathways.

a)

This is true.

b)

This is false.

15.

Match the following regarding cell respiration.

Energy is released so it

is oxidized to CO2

Glucose

is reduced to water

Reduction

is a loss of electrons

Oxygen

is a gain of electrons

Oxidation

is exergonic.