Question

The process of protein turnover involves the _____.a. conversion of half the protein we eat to glucose for energyb. loss of amino acids by excretion through the kidneys when cells diec. use of amino acids that have been conserved from the breakdown of old cellsd. annual replacement of old cells with new protein that has entered the body in foode. excretion of intracellular working proteins as old cells wear out

Answer 1

C. use of amino acids that have been conserved from the breakdown of old cell.