BiomoleculesHard

Question

Mineral associated with cytochrome is

Options

A.Cu
B.Mg
C.Fe and Mg
D.Fe and Cu

Solution

Cytochromes are iron-porphyrin (haem) proteins discovered by Mac Cunn.Cytochromes are infact, the conjugated proteins ,composed of a protein molecule and a non-protein group, ie, inorganic factor iron .It is to be noted, that cell cytochromes have iron only, though cyt. a3 possesses both Fe and Cu. Fe has a role in picking up of electrons and Cu hands over the electrons to oxygen.

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