Q43 · CSIR-NET Chemistry, December 2013

Paper: CSIR-NET December 2013 · Subject: Inorganic Chemistry · Chapter: Bioinorganic Chemistry · Topic: Copper Proteins · Marks: 2 · Difficulty: Easy

High dose of dietary supplement $\mathrm{ZnSO}_{4}$, for the cure of Zn deficiency
(a)reduces myoglobin
(b)increases iron level in blood
(c)increases copper level in brain
(d)reduces copper, iron and calcium levels in body
Answer
Answer: D ✓ checked by 4AB · confidence high
Explanation
Excess zinc competes with Cu, Fe and Ca for absorption (and induces metallothionein), lowering their levels.

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