Heme in haemoglobin contains the mineral

Iron

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Calcium

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Sodium

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Magnesium

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Solution

The correct option is D Iron
The name 'haemoglobin' is derived from the words, 'heme' and 'globin', reflecting the fact that each subunit of hemoglobin is a globular protein with an embedded 'heme' group. Each heme group contains one iron atom that can bind one oxygen molecule through ion-induced dipole forces.
Therefore, the correct answer is option A.

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89600

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