MIRCO Chapter 7: Microbial Metabolism

Question 1

Chapter 7 NCLEX Prep

1. Which of the following is/are considered to be an anabolic reaction?
   Select all that apply.

a. Krebs cycle
b. polypeptide synthesis
c. assembly
d. glycolysis

Answer 1

1. b. polypeptide synthesis
   c. assembly

Chapter 7: Microbial Metabolism

Question 2

Chapter 7 NCLEX Prep

2. Oxidoreductases transfer ______ from one substrate to another, and dehydrogenases transfer a/an ______ from one compound to another.
   a. functional groups; molecule
   b. substrates; electron
   c. electrons; hydrogen
   d. double-bonded substrates; bond

Answer 2

2. c. electrons; hydrogen

Chapter 7: Microbial Metabolism

Question 3

Chapter 7 NCLEX Prep

3. A reaction that requires energy as it goes forward is termed
   a. exergonic.
   b. endergonic.
   c. oxidative.
   d. reductive.

Answer 3

3. b. endergonic.

Chapter 7: Microbial Metabolism

Question 4

1. Anabolism is the form of metabolism in which energy is _______ important molecules.
   a. used to break down
   b. used to build
   c. released through the breakdown of
   d. released through the assembly of

Answer 4

1. b. used to build

Chapter 7: Microbial Metabolism

Question 5

2. An enzyme
   a. becomes part of the final products.
   b. is nonspecific for substrate.
   c. is consumed by the reaction.
   d. is heat and pH labile.

Answer 5

2. d. is heat and pH labile.

Chapter 7: Microbial Metabolism

Question 6

3. Which of these molecules cannot be broken down to release energy?
   a. sugar
   b. starch
   c. fat
   d. protein
   e. none of the above (all of these can release energy)

Answer 6

3. e. none of the above (all of these can release energy)

Chapter 7: Microbial Metabolism

Question 7

4. Many coenzymes are formed from
   a. metals.
   b. vitamins.
   c. proteins.
   d. substrates.

Answer 7

4. b. vitamins.

Chapter 7: Microbial Metabolism

Question 8

5. Energy is carried from catabolic to anabolic reactions in the form of
   a. ADP.
   b. high-energy ATP bonds.
   c. coenzymes.
   d. inorganic phosphate.

Answer 8

5. b. high-energy ATP bonds.

Chapter 7: Microbial Metabolism

Question 9

6. A product or products of glycolysis is/are
   a. ATP.
   b. pyruvate.
   c. CO2.
   d. both a and b.

Answer 9

6. d. both a and b.

Chapter 7: Microbial Metabolism

Question 10

7. Complete oxidation of glucose in aerobic respiration can yield a maximum net output of ______ ATPs.
   a. 40
   b. 6
   c. 38
   d. 2

Answer 10

7. c. 38

Chapter 7: Microbial Metabolism

Question 11

8. ATP synthase complexes can generate _______ ATPs for each NADH that enters electron transport.
   a. 1
   b. 2
   c. 3
   d. 4

Answer 11

8. c. 3

Chapter 7: Microbial Metabolism