ANN-0008
QUESTION
Which mineral plays important role in nucleotide formation?
OPTIONS
(A) Ca
(B) Mg
(C) Se
(D) P
ANSWER
(D) P
EXPLANATION
Phosphorus has a central role in nucleotide formation because it is a structural component of the phosphate groups of nucleotides and nucleic acids. Calcium is mainly important in bone, muscle and signaling; magnesium is an enzyme cofactor but is not the principal nucleotide-forming mineral; selenium is mainly involved in antioxidant selenoproteins.
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