BIOLOGY

hapter 7

Part 1 of 1 – 6.0/ 10.0 Points

Question 1 of 10 1.0/ 1.0 Points

What area is not involved with pumping protons to the intermembrane space?

A.complex I

B.complex II

C.complex III

D.complex IV

Question 2 of 10 1.0/ 1.0 Points

NADH and FADH2 are products of

A.chemiosmosis

B.glycolysis

C.oxidation/reduction reactions

D.substrate level phosphorylation

Question 3 of 10 0.0/ 1.0 Points

When has glucose been broken down from its original 6 carbon molecule to 6 molecules of carbon dioxide?

A.oxidation of pyruvate

B.glycolysis

C.when isocitrate is oxidized to α-Ketoglutarate

D.when α-Ketoglutarate is oxidized to Succinyl CoA

E.condensation of acetyle-CoA with oxaloacetate

Question 4 of 10 0.0/ 1.0 Points

In gluconeogenesis, organisms use ATP to make glucose, then in cellular respiration they break down the glucose again to get energy. Why not just store the ATP? (Select all that apply.)

A. ATP does not have high-energy bonds.

B. ATP is not energy dense enough.

C. ATP only has energy after it is activated by glucose.

D. ATP only has energy when it is attached to glucose.

E. ATP is not stable enough.

F. ATP without a cofactor forms crystalline structures.

G. Using glucose directly to power enzymes is more efficient.

Question 5 of 10 0.0/ 1.0 Points

Molecules generated from butter will enter aerobic cellular respiration at

A.glycolysis

B.oxidative phosphorylation

C.pyruvate oxidation

D.Krebs cycle

Question 6 of 10 1.0/ 1.0 Points

What is not a good biological oxidizing agent?

A.

Fe3+

B.

O2

C.NAD+

D.FAD

Question 7 of 10 1.0/ 1.0 Points

What vitamin derivative accepts hydrogen for complex I during ETC?

A.thiamine

B.riboflavin

C.niacin

D.pantothenic acid

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