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Microbiology Objective Questions { Microbial Metabolism }



8. In aerobic respiration, the terminal electron acceptor is
A.oxygen
B.nitrogen
C.hydrogen
D.nitrate
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9. Which of the following statement is correct?
A.Phosphate repression can not be eliminated by optimization of nutrient medium, deregulated medium must be used as production strains
B.Phosphate repression can be eliminated by optimization of nutrient medium, deregulated medium must be used as production strains
C.Phosphate repression can be eliminated by optimization of nutrient medium, regulated medium must be used as production strains
D.Phosphate repression can not be eliminated by optimization of nutrient medium, regulated medium must be used as production strains
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10. The acquisition energy by glucose fermentation requires
A.substrate-level phosphorylation
B.electron transport of electrons from NADH
C.long-chain fatty acid oxidation
D.the enzyme formic-hydrogen lyase
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11. High energy transfer compounds are capable of
A.accepting large amounts of free energy
B.transferring large amounts of free energy
C.measuring free energy
D.none of the above
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12. Dolichol phosphate is
A.a complex lipid involved in docking vesicles with the plasma membrane
B.the anchor on which sugars assemble before transfer to proteins
C.a chaperone used in protein folding
D.a product of phospholipase C activation
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13. The reactions of the cell that are carried out for capturing energy are called
A.catabolism
B.metabolism
C.anabolism
D.activation energy
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14.  In establishing proton gradient for chemiosmotic ATP generation by aerobic respiration the terminal electron acceptor is
A.nitrate
B.oxygen
C.sulfate
D.CO2
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