AP BIOLOGY

LABORATORY REVIEW

CELL RESPIRATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which molecule enters Kreb’s Cycle? This answer is different for Accelerated.
A
Pyruvate
B
Glucose
C
Acetyl CoA
D
reducing powers
Explanation: 

Detailed explanation-1: -Pyruvate-three carbons-is converted to acetyl CoA, a two-carbon molecule attached to coenzyme A.

Detailed explanation-2: -In the citric acid cycle, the two carbons that were originally the acetyl group of acetyl CoA are released as carbon dioxide, one of the major products of cellular respiration, through a series of enzymatic reactions.

There is 1 question to complete.