Question

haemoglobin carries oxygen molecules as _____​

Answer 1

Explanation:

haemoglobin is a protein molecule found in rbc made of 4 subunits:2 subunits of alpha and 2 subunits of beta.Each subunit surrounds a central heme group that contains iron and binds one oxygen molecule allowing each haemoglobin molecule to bind four oxygen molecule.

Answer 2

Haemoglobin carries oxygen molecules as blood.

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