Biochemistry - Photosynthesis and Respiration

Exercise :: Photosynthesis and Respiration - Section 1

  • Photosynthesis and Respiration - Section 1
41. 

Glycolysis takes places in the __________ and produces __________ , which in the presence of oxygen then enters the __________ .

A. cytosol; glucose; mitochondrion to complete fermentation
B. cytosol; pyruvate; mitochondrion to complete fermentation
C. cytosol; pyruvate; mitochondrion to complete cellular respiration
D. mitochondrion; pyruvate; chloroplast to complete photosynthesis

Answer: Option C

Explanation:

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42. 

What process in cellular respiration is essentially the reverse of carbon fixation in photosynthesis?

A. Glycolysis
B. Citric acid cycle
C. Oxidative phosphorylation
D. Alcohol fermentation

Answer: Option B

Explanation:

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43. 

What do coenzyme A, CO2, oxaloacetate, and FADH2 all have in common?

A. They are all components or products of the citric acid cycle
B. They are part of the dark reactions of photosynthesis
C. They are part of the reactions of lactic acid fermentation
D. They are all elements of oxidative phosphorylation

Answer: Option A

Explanation:

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44. 

If the oxygen is labeled in CO2 and provide this CO2 to a plant, where it is expected to find this labeled oxygen after the plant had undergone photosynthesis?

A. In the water used
B. In the NADPH
C. In the carbohydrate produced
D. In the oxygen given off by the plant

Answer: Option C

Explanation:

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