contestada

Which statement about the structure of collagen is FALSE? a. The modified prolines found in collagen are synthesized from proline post-translationally by an enzyme called prolyl hydroxylase. b. Prolyl hydroxylase requires ascorbic acid (vitamin C) to maintain its activity. c. Collagen include the nonstandard residue 3-hydroxylysine (Hyl). d. The introduction of vitamin C containing limes to the diet of the British navy alleviated scurvy and led to the nickname "limey" for the British sailor. e. Scurvy is a disease caused by vitamin C deficiency that results in weak collagen.f. Collagen includes nonstandard residues like 4-hydroxyproline (Hyp) and 3-hydroxyproline.