2024 Re-NEET BiomoleculesEnzyme classification - ligases Medium Question 17 of 107 in Biomolecules

Ligases is a class of enzymes responsible for catalysing the linking together of two compounds. Which of the following bonds is not catalysed by it?

A C – C
B P – O
C C – O
D C – N

The answer is A.

Solution

Ligases catalyse the joining of two molecules by forming bonds such as C–O, C–S, C–N, or P–O, usually coupled with the breakdown of ATP. They do not catalyse the formation of C–C bonds.

Concept Enzyme classification - ligases

Biomolecules in past papers

107 questions from this chapter have appeared across 26 exam years.