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3.2 DNA and protein synthesis

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Question 14
F

A student extracts DNA from fruit using these steps.

  • P: Add cold ethanol to the filtrate.

  • Q: Crush the fruit with extraction solution containing detergent.

  • R: Collect the white strands that form.

  • S: Filter the mixture to remove large pieces of tissue.

Which order should the student use?

[1]
A

Q, P, S, R

B

Q, S, P, R

C

S, Q, P, R

D

P, Q, R, S

Markscheme

3.2 DNA and protein synthesis Questions

  1. GCSE
  2. /Biology
  3. /3.2 DNA and protein synthesis

44 exam-style questions on Edexcel GCSE Biology 3.2 DNA and protein synthesis, covering 3.2.1 DNA structure as a polymer, 3.2.2 Genome and gene definitions, 3.2.3 Extracting DNA from fruit, 3.2.4 Base order determines protein shape, 3.2.5 Stages of protein synthesis, 3.2.6 Non-coding DNA variants affecting phenotype, and 3.2.7 Coding DNA variants affecting phenotype. Each one has a worked solution and a mark scheme showing where the marks go.

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