Which statement best describes the reactions involving vitamin B12,that along with folate and vitamin B6,keep levels of homocysteine in the blood low?
A) The conversion of homocysteine to methionine and the transfer of a single carbon to vitamin B12.
B) The conversion of methionine to homocysteine and the transfer of a methyl group to vitamin B12.
C) The conversion of homocysteine to cysteine and the transfer of a carboxyl group to vitamin B12.
D) The conversion of homocysteine to methyl folate and the transfer of a carboxyl group to vitamin B12.
Correct Answer:
Verified
Q40: Why was an AI,rather than an RDA,established
Q41: An elevation in homocysteine has been associated
Q42: What is another name for vitamin B6?
A)pantothenic
Q43: Which is the most reasonable claim that
Q44: "The value is based on the intake
Q46: Which is not a symptoms of vitamin
Q47: Which is an example of single carbon
Q48: Low folate status is associated with increased
Q49: Which is a good plant source of
Q50: Pantothenic acid is part of what molecule?
A)coenzyme
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