Question #3 The Krebs cycle?

Question

During the first chemical reaction of the Krebs cycle, Acetyl CoA combines with which of the following to form citric acid?

A. Pyruvate

B. A 4-carbon compound

C. Glucose

D. Carbon dioxide

E. A 5-carbon compound

Answer 1

It's B.  The four carbon compound is call oxaloacetate, and the Acetyl CoA transfers to carbon molecules to it to form citric acid.

Answer 2

It's in your book, probably but

I'm FAIRLY certain that it is either A or C. . .