Microbology - chapter 5

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book cover
Microbiology
Chapter 5
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1

Which the following compound is an enzyme?

a) dehydrogenase

b) cellulase

c) B-galactosidase

d) sucrase

2

Which of the following statements aboutt anaerobic respiration is True

a) it yields lower amounts of ATP when compared to aerobic respiration

b) the complet Kreb's cycle is utilized

c) it generates ATP

d) It requires cytochromes

3

What is the fate of pyruvic acid in an organism that uses aerobic respiration?

it is converted into acetyl CoA

4

Fatty acids are oxidized in

the Krebs cycle

5

Which of the lowing is the best definition of oxidative phosphorylation?

A proton gradient allows hydrogen ions to flow back into the cells through transmembrane protein channels, releasing energy that is used to generate ATP

6

Which of the following statements about substrate level phosphorylation is FALSE?

The oxidation of intermediate metabolic compounds releases energy that is used to generate ATP

7

Which of the following statements about substrate level phosphorylation is TRUE?

a) It involves the direct transfer of a high energy phosphate group from an intermediate metabolic compound to ADP

b) no final electron acceptor is required

c) it occurs in glycolysis

d) it occurs in the Krebs cycle