E-PolyLearning

1. The respiratory chain of bacteria is associated with the _____________
a. miitochondrial membrane
b. cytoplasmic membrane
c. cell wall
d. cytoplasm
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Answer: (b).cytoplasmic membrane

2. The prosthetic group of a cytochrome contains how many iron atoms?
a. one
b. two
c. three
d. four
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Answer: (a).one

3. Among the following which can directly react with oxygen?
a. cytochrome c
b. cytochrome c1
c. cytochrome a
d. cytochrome a3
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Answer: (d).cytochrome a3

4. How many ATP molecules are formed for per molecule of FADH2 reoxidized?
a. 3
b. 1
c. 2
d. 4
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Answer: (c).2

5. Glycolysis can occur in ___________
a. aerobic cells
b. anaerobic cells
c. both aerobic and anaerobic cells
d. neither aerobic and anaerobic cells
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Answer: (c).both aerobic and anaerobic cells

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