Skip to content

Course home

Sign up

Enzymes

Easy
123456789
Question 7
73%

Many biological processes are regulated by enzymes acting either inside or outside of cells.

Which of the options is an extracellular process controlled by enzymes?

A

Breakdown of bacterial cell walls by lysozyme in tears

B

Replication of DNA by DNA polymerase in the nucleus

C

Oxidation of pyruvate in the mitochondrial matrix

D

Neutralization of hydrogen peroxide by catalase within peroxisomes

Markscheme

Enzymes Questions

  1. A Level
  2. /Biology
  3. /Enzymes

9 exam-style questions on OCR A A Level Biology Enzymes. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank