When Proteins Are Used as a Source of Energy for the Body,the

When proteins are used as a source of energy for the body,the proteins

A) are hydrolyzed to their constituent amino acids; electrons are stripped from the amino acids and passed to the electron transport chain.
B) are hydrolyzed to glucose and converted to acetyl CoA,which enters the citric acid cycle.
C) are converted mainly into intermediates of glycolysis or the citric acid cycle.
D) are converted into glucose molecules,which are fed into glycolysis.