How many molecule/s of acetyl CoA is/are produced from glucose for participation in Kreb’s cycle?
a) 2
b) 3
c) 5
d) 6
Conversion of pyruvic acid to acetyl-CoA is called……
a) Kreb’s cycle
b) ETC
c) linked reaction
d) glycolysis
Before entering the Kreb’s cycle, pyruvate is oxidized to ……..
a) 2 carbon molecule (acetyl group)
b) water
c) one carbon dioxide (CO2)
d) both a and c
Explanation: this molecule attaches to coenzyme A forming a group called acetyl CoA.
Pyruvic acid can converted in one enzyme-catalyzed step to all of the following except…….
a) serine
b) lactate
c) Acetyle-CoA
d) none of these
Coenzyme A consists of a nucleotide and a portion of one of the ……vitamin/s.
a) A
b) B
c) C
d) D
Which of the following is produced during the link reaction of aerobic respiration?
a) ADP
b) ATP
c) FADH2
d) NADH2
Explanation: by getting hydrogen from pyruvic acid, NAD is reduced to NADH2
