Which of the Following Statements Relative to Protein Metabolism Is

Which of the following statements relative to protein metabolism is false?

A) excess protein may be converted to glucose in the body
B) the liver is a critical center for the control of amino acid metabolism
C) essential amino acids can be formed in the liver from carbohydrate and nitrogen from non-essential amino acids
D) excess protein may be converted to fat in the body
E) urea is a waste product of protein metabolism