5) An electron transport chain in bacteria a. ‘pumps’ protons outside the cell b

Question

5) An electron transport chain in bacteria

a. ‘pumps’ protons outside the cell

b. creates a proton motive force

c. results in phosphorylation of ADP to form ATP

d. answers (b) and (c) are correct

e. answers (a), (b) and (c) are all correct

6. A molecule that undergoes reduction

a. becomes phosphorylated

b. loses a hydrogen atom

c. gains one or more electrons

d. loses one or more electrons

7) The energy from catabolic reactions is used to produce

a. ADP b. ATP    c. AMP      d. phosphate

8) During metabolism

a. catabolism and anabolism both occur

b. energy from catabolism is conserved as ATP and used in anabolism to make the macromolecules found in cells

c. energy from catabolism is conserved as ATP and used in anabolism where it is used to break down substrate molecules

d. answers (a) and (b) are both correct

e. answers (a), (b) and (c) are all correct

Explanation / Answer

5) An electron transport chain in bacteria ‘pumps’ protons outside the cell, creates a proton motive force, and results in phosphorylation of ADP to form ATP.
e. answers (a), (b) and (c) are all correct

6) A molecule that undergoes reduction
c. gains one or more electrons

7) The energy from catabolic reactions is used to produce
a. ADP

8) During metabolism catabolism and anabolism both occur, and energy from catabolism is conserved as ATP and used in anabolism to make the macromolecules found in cells
d. answers (a) and (b) are both correct

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