Question

Copper: Cytochrome oxidase:: Potassium: _________

(a) Arginase

(b) Propionyl CoA carboxylase

(c) Dintrogenase

(d) Catalase

The question was posed to me by my college professor while I was bunking the class.

I'd like to ask this question from Enzymes topic in division Enzymes of Enzyme Technology

Answer 1

Right answer is (b) Propionyl CoA carboxylase

Explanation: Copper acts as cofactor for cytochrome oxidase. In the same way, potassium acts as cofactor for propionyl CoA carboxylase. For arginase, dinitrogenase and catalase, cofactors used are manganese, molybdenum and iron respectively.