Which of the Following Statements About Catabolism of Body Proteins

Multiple Choice

Which of the following statements about catabolism of body proteins during starvation is correct?

A) The breakdown of proteins occurs spontaneously, without the need for enzyme catalysis.
B) The amino acids resulting from protein breakdown are either reused as such or are deaminated and their carbon skeletons used as a source of energy.
C) The first amino acids to be catabolized are derived from the protein storage depot in liver.
D) The amino acids derived are used primarily for synthesis of fatty acids.
E) The initial steps in the process involve cleavage of the amino acid side chains from polypeptides.