Cell Biology: fermentation, glycolysis, TCA cycle, etc.

Question 1

1 out of 1 points








Which of the following is not a product of fermentation?
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Selected Answer:



sucrose



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 Question 2

1 out of 1 points








All of the following are directly used as alternative substrates for glycolysis except
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Selected Answer:



ribose.









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 Question 3

1 out of 1 points








The gross output of ATP from glycolysis is ________, whereas the net
output of ATP is ________.
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Selected Answer:



4; 2









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 Question 4

1 out of 1 points








Oxygen is toxic to
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strict anaerobes.









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 Question 5

1 out of 1 points








As pyruvate is prepared for the TCA cycle, it undergoes a process of
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Selected Answer:



oxidative decarboxylation.









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 Question 6

1 out of 1 points








In electron transport, which respiratory complex is not involved in the flow of electrons from FADH2?
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Selected Answer:



complex I









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 Question 7

1 out of 1 points








In electron transport, which respiratory complex is not involved in the flow of electrons from NADH?
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Selected Answer:



complex II









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 Question 8

1 out of 1 points








In eukaryotes, pyruvate is converted to acetyl CoA
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Selected Answer:



in the mitochondrial matrix.









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 Question 9

1 out of 1 points








Proton gradients are generated by all of the following complexes except
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Selected Answer:



complex II.









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 Question 10

1 out of 1 points








Which of the following statements is not true of the TCA cycle?
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Selected Answer:



Oxidation occurs at three steps in the TCA cycle.









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 Question 11

1 out of 1 points








The proplastids associated with giving flowers and fruits their distinctive colors are the
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Selected Answer:



chromoplasts.









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 Question 12

1 out of 1 points








Based upon the comparisons of anoxygenic and oxygenic photosynthesis, the entry of oxygen into the atmosphere is most directly attributed to
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Selected Answer:



photosystem II.









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 Question 13

1 out of 1 points








The Calvin cycle occurs in the ________ region of the chloroplast.
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Selected Answer:



stroma









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 Question 15



1 out of 1 points









Which of the following statements is correct regarding cyclic photosynthetic pathways?
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Selected Answer:



No exogenous electron source is required.







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 Question 16

1 out of 1 points








Photoheterotrophs are best described as organisms that obtain energy to make ATP
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Selected Answer:



from sunlight but cannot make organic compounds from CO2.