2022 Phase 2 BiomoleculesEnzyme cofactors - prosthetic groups Easy Question 37 of 107 in Biomolecules

In the enzyme which catalyses the breakdown of: $H_2O_2\rightarrow H_2O+O_2$ the prosthetic group is:

A Niacin
B Nicotinamide adenine dinucleotide
C Haem
D Zinc

The answer is C.

Solution

Peroxidase and catalase catalyse the breakdown of hydrogen peroxide to water and oxygen; haem is their prosthetic group.

Concept Enzyme cofactors - prosthetic groups

Biomolecules in past papers

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