1. Which of the following does NOT involve vitamin C A.) tyrosine catabolism B.) neurotransmitter synthesis C.) Collagen synthesis D.) cholesterol synthesis 2. How does vitamin C assist in the absorption of Iron? A.) Vitamin C reduced Fe2+ to Fe3+ thereby making it more absorbable. B.) Vitamin C oxidizes Fe2+ to Fe3+ thereby making it more absorbable. C.) Vitamin C carries iron into the enterocyte D.) Vitamin C reduces Fe3+ to Fe2+ thereby making it more absorbable.
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Vitamin C is involved in collagen synthesis, neurotransmitter synthesis, and cholesterol synthesis. However, it is not directly involved in tyrosine catabolism. Therefore, the answer is A.) tyrosine catabolism. Show more…
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