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metabolisme question

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metabolisme question

Postby kabuto » Fri Apr 14, 2006 4:52 am

6. Choose the wrong statement

A. NAD+ is reduced to NADH during glycolysis and Krebs cycle
B. NAD+ contain more energy than NADH
C. NAD+ is reduced through dehydrogenase action
D. NAD+ can receive electron for oxidative phosphorylation
E. Without NAD+, glycolysis will not occur

My answer: C

7. In eukaryotic cells with high glucose and oxygen content, mitochondrial proton gradient is generated by____________ and used for ____________

A. electron transfer chain, ATP synthesis
B. electron transfer chain, substrate level phosphorylation
C. glycolysis, water production
D. fermentation, NAD+ reduction
E. proton absorption, ATP synthesis

My answer: A

8. Which of the following metabolisme process is closely related to intracell membrane?

A. Substrate level phosphorylation
B. Oxidative phosphorylation
C. Glycolysis
D. Krebs cycle
E. Alcohol fermentation

My answer: B

9. In the conversion of ADP + Pi to ATP during oxidative phosphorylation, energy is directly obtained from

A. electron flow in electron transport chain
B. substrate level phosphorylation
C. hydrogen ion pumping by ATP synthase
D. proton absorption through ATP synthase

My answer: A

10. Fatty acid transport from cytoplasm into mitochondrial matrix require

A. ATP, CoA, hexokinase
B. ATP, CoA, carnitine
C. ATP, carnitine, hexokinase
D. ATP, carnitine, pyruvate dehydrogenase
E. ATP, CoA, pyruvate dehydrogenase

My answer: E
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Postby kiekyon » Sun Apr 16, 2006 1:44 pm

for me,
Q7 e
Q9 d

8) 8) 8)
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