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1.2 What happens in cells (and what do cells need)?

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Question 46
F

Each enzyme can only catalyse one type of reaction.

Which statement explains why?

[1]
A

The enzyme is used up after it has catalysed one reaction.

B

The active site changes shape to fit around any substrate.

C

The enzyme is a protein, so it can only break down proteins.

D

The active site is complementary to only one type of substrate.

Markscheme

1.2 What happens in cells (and what do cells need)? Questions

  1. GCSE
  2. /Biology
  3. /1.2 What happens in cells (and what do cells need)?

184 exam-style questions on OCR GCSE Biology 1.2 What happens in cells (and what do cells need)?, covering 1.2.1 Structure of DNA, 1.2.2 Nucleotides and complementary bases, 1.2.3 Protein synthesis, 1.2.4 DNA structure and the proteins made, 1.2.5 Investigating enzymatic reactions, and 1.2.6 Mechanism of enzyme action. Each one has a worked solution and a mark scheme showing where the marks go.

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