The Reactions in Glycolysis Are Reversible,however,the Conversion of Pyruvate into Acetyl

Multiple Choice

The reactions in glycolysis are reversible,however,the conversion of pyruvate into acetyl CoA is irreversible in animal cells.Can fatty acids be converted back into carbohydrates?

A) No, because they enter metabolism as acetyl CoA.
B) No, because they enter metabolism as pyruvate.
C) Yes, because they enter metabolism as pyruvate.
D) Yes, because they enter metabolism in the Krebs cycle.
E) Yes, because they enter metabolism as acetyl CoA.