BIOLOGY

Chapter 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

Question 8 of 10 1.0/ 1.0 Points

____________ carbon dioxide molecules are given off during three turns of the Krebs cycle?

A.1

B.2

C.3

D.4

E.6

Question 9 of 10 0.0/ 1.0 Points

Removal of NH3 is best described as ____________ .

A.beta oxidation

B.demination

C.lipolysis

D.glycolysis

Question 10 of 10 1.0/ 1.0 Points

Assuming 2 ATPs are produced per FADH2, how many ATPs will be produced in oxidative phosphorylation per glucose molecule?

A.0

B.2

C.4

D.6

Chapter 8- wk 5

Return to Assessment List

Part 1 of 1 – 9.0/ 10.0 Points

Question 1 of 10 1.0/ 1.0 Points

What is the flow of energy in order from source to end?

A.human→sun→grass→cow

B.cow→human→grass→sun

C.sun→grass→cow→human

D.plant→sun→human→cow

Question 2 of 10 1.0/ 1.0 Points

Light-dependent reactions build NADPH and oxygen by ________________ .

A.oxidation

B.reduction

C.oxidation and reduction

Question 3 of 10 1.0/ 1.0 Points

The light independent reactions are important because they

A.make ATP and NADPH

B.convert CO2 into glucose

C.split H2O to harvest electrons

D.release O2

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