Which nutrient deficiency directly impairs hydroxylation during collagen synthesis?
AA. Vitamin D
BB. Copper
CC. Vitamin E
DD. Vitamin C
The main type of collagen in anchoring fibrils (component of dermoepidermal junction) is:
AType II
BType IV
CType VII
DType III
Which of the following is the major glycosaminoglycan of synovial fluid?
AChondroitin sulfate
BDermatan sulfate
CHeparan sulfate
DHyaluronic acid
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