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

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Question 45
F

One strand of a section of DNA has the base sequence ATTGCA.

What is the base sequence on the complementary strand?

[1]
A

ACGTTA

B

GCCATG

C

TAACGT

D

TAAGCT

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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