Which of the following steps in collagen synthesis is impaired in patients with scurvy?
A) Cleavage of N and C terminal peptides from procollagen in the extracellular matrix B) Formation of the procollagen triple helix in the endoplasmic reticulum C) Glycosylation of the hydroxylysines on the pro-alpha collagen chain D) Hydroxylation of selected prolines and lysines on the pro-alpha collagen chain E) Self-assembly of a collagen molecule into a collagen fibril
hitesh .
Topics: 64 Posts: 1,084
07/17/08 - 09:56 AM  
 
   
 
  #2
D) Hydroxylation of selected prolines and lysines on the pro-alpha collagen chain