BIOENERGETICS and BIOLOGICAL OXIDATION

Question 1

The net ATP generated in the complete oxidation of beta-hydroxybutyrate is:

a. 12 ATPs
b. 23 ATPs
c. 26 ATPs
d. 36 ATPs
e. 129 ATPs

Answer 1

c. 26 ATPs

Question 2

The number of NADPH required in complete synthesis of one (1) mole of
palmitic acid
a. 7
b. 8
c. 12
d. 14
e. 16

Answer 2

c. 12

Question 3

Major source of ATP in aerobic organisms

a. direct phosphorylation
b. substrate level phosphorylation
c. ATP adenylation
d. Oxidative phosphorylation

Answer 3

d. Oxidative phosphorylation

Question 4

The primary pathway for the oxidation of glucose

a. Embden Myerhoff pathway
b. Sorbitol pathway
c. Tricarboxylic acid pathway
d. Pentose phosphate pathway

Answer 4

a. Embden Myerhoff pathway

Question 5

In the complete oxidation of one (1) mole of palmitic acid to CO2 and H2O, the total number of ATP generated is

a. 12
b. 24
c. 36
d. 129
e. 131

Answer 5

e. 131

Question 6

Synonymous with Kreb’s cycle

a. Pentose phosphate pathway
b. Citric acid cyle
c. Oxidative phosphorylation
d. Embden myerhoff pathway

Answer 6

b. Citric acid cyle

Question 7

Anaerobic glycolysis produces how many moles of ATP per mole of glucose?

a. 2
b. 6
c. 8
d. 12
e. 24

Answer 7

a. 2

Question 8

Rate limiting enzyme and the major regulatory enzyme in glycolysis

a. triose phosphate isomerase
b. glyceride 3-phosphate dehydrogenase
c. phosphofructokinase
d. aldolase

Answer 8

c. phosphofructokinase

Question 9

Enzyme that links glycolysis and the citric acid cycle

a. Pyruvate dehydrogenase
b. Isocitrate dehydrogenase
c. Alpha-ketoglutarate dehydrogenase
d. Succinate dehydrogenase

Answer 9

a. Pyruvate dehydrogenase

Question 10

Oxidative phosphorylation is carried out by respiratory assembly located in

a. mitochondrial matrix
b. inner mitochondrial membrane
c. endoplasmic reticulum
d. cytosol

Answer 10

b. inner mitochondrial membrane