Respiration In Plants Question 165

Question: The diagram shows some of the reactions following glycolysis during aerobic respiration. How many carbon atoms are in each of the substances S, T and U?

Options:

A) S T U 2 5 3

B) 2 6 4

C) 3 4 6

D) 3 6 4

Show Answer

Answer:

Correct Answer: D

Solution:

[d] Pyruvate is a three-carbon compound.

Oxaloacetate, a four-carbon compound, combines with acetyl coenzyme A (two- carbon) to form citrate, a six-carbon compound.