Question

The group of enzymes that catalyze the interconversion of aminoacids to ketoacids by transfer of amino groups is referred to as ______________

(a) alkaline phosphatase

(b) 5^I – nucleotidase

(c) transaminases

(d) γ-glutamyl transferase

This question was addressed to me at a job interview.

Question is from Diagnostic Use of Enzymes topic in chapter Enzymes of Enzyme Technology

Answer 1

The correct option is (c) transaminases

To explain I would say: The group of enzymes that catalyze the interconversion of aminoacids to ketoacids by transfer of amino groups is referred to as transaminases. Alkaline phosphatase is group of enzymes that hydrolyzes organic phosphate at alkaline pH. 5^I – nucleotidase is a phosphatase which acts only on 5^I – phosphate such as AMP releasing inorganic phosphate and adenosine. γ-glutamyl transferase catalyzes the transfer of γ-glutamyl group from peptides to some acceptor.