7) Which glycolysis pathway(s) is/are used to generate 5-carbon sugars? A) EMP B

ID: 175986 • Letter: 7

Question

7) Which glycolysis pathway(s) is/are used to generate 5-carbon sugars?

A) EMP

B) ED

C) PPP

D) A and B

E) B and C

8) How many pyruvate molecules are yielded from a mole of glucose passing through the EMP pathway?

A) 4

B) 2

C) 6.02 x 1023

D) 1.2 x 1024

E) 2.4 x 1024

9) How many carbons are released as CO2 from the TCA cycle for each Acetyl-CO that enters?

A) none

B) 1

C) 3

D) 2

E) 4

10) What are the end products of the linear (reductive) TCA pathway?

A) pyruvate and Acetyl-CoA

B) malate and isocitrate

C) succinyl-CoA and pyruvate

D) succinyl-CoA and a-ketoglutarate

E) fumarate and a-ketoglutarate

11) When carbon becomes scarce, many bacteria can activate the ________________ to minimize carbon loss as C02.

A) Pentose phosphate pathway (PPP)

B) Glyoxylate pathway

C) linear TCA pathway

D) ED glycolysis pathway

E) Succinate dehydrogenase – membrane complex

7) C) PPP

8) B) 2

9) D) 2

10) A) pyruvate and Acetyl-CoA

11) E) Succinate dehydrogenase – membrane complex

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