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

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Question 34
H

The statements describe the steps in protein synthesis, but they are not in the correct order.

P The mRNA moves out of the nucleus to a ribosome.

Q The DNA unzips around the gene.

R tRNA molecules bring specific amino acids to the ribosome.

S A complementary copy of the gene is made as mRNA.

T The amino acids are joined to form a protein.

Which is the correct order of the steps?

[1]
A

Q, S, P, R, T

B

S, Q, P, T, R

C

Q, P, S, R, T

D

S, Q, R, P, T

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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