Exams › JEE Advanced › Chemistry

Insulin and haemoglobin contain, respectively, the metals:

1. Zn, Hg
2. Zn, Fe
3. Co, Fe
4. Mg, Fe

Correct answer: Zn, Fe

Solution

Insulin is associated with zinc, while haemoglobin contains iron in its porphyrin (haem) ring.

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