Which enzyme catalyzes the link reaction?

Question

Which enzyme catalyzes the link reaction? (A) Pyruvate carboxylase (B) Malate dehydrogenase (C) Pyruvate dehydrogenase (D) Acetyl CoA dehydrogenase

Tardigrade Admin · Accepted Answer

The pyruvate molecule enters the mitochondrial matrix where it is converted to acetyl-CoA by a reaction known as oxidative decarboxylation in presence of oxidizing agent NAD+. The enzyme responsible for this reaction is pyruvate dehydrogenase and the cofactor is Mg++.

Q. Which enzyme catalyzes the link reaction?

Pyruvate carboxylase

Malate dehydrogenase

Pyruvate dehydrogenase

Acetyl CoA dehydrogenase

The pyruvate molecule enters the mitochondrial matrix where it is converted to acetyl-CoA by a reaction known as oxidative decarboxylation in presence of oxidizing agent NAD⁺. The enzyme responsible for this reaction is pyruvate dehydrogenase and the cofactor is Mg⁺⁺.