Which of the following is widely used metal cofactor

Options

A. `Ca^(2+)`
B. `Al^(3+)`
C. `Ni^(2+)`
D. `Mg^(3+)`

Answer

D

Explanation

Cofactors are usually metallic ions often classified as inorganic substances that are required for or increase the rate of catalysis. Some cofactors are `Mg^(2+),Cu^(+),Mn^(2+)` or iron-sulphur cluster.