Question

Which of the following is false?

a.

Heme consists of a complex organic ring structure, protoporphyrin

b.

Protoporphyrin is bound to a single iron atom in its Fe+3 state

c.

Iron atom has 6 coordination bonds

d.

Heme is found in a number of oxygen transporting proteins

Posted under Biochemistry

Answer: (b).Protoporphyrin is bound to a single iron atom in its Fe+3 state

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