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1.1 Cell structure

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Question 90
H

A person has a heart attack. Some of the muscle cells in their heart are damaged and die.

The damaged heart muscle is not replaced by the person's body.

a.

Use your knowledge of cell differentiation to explain why the damaged heart muscle is not replaced.

[2]
b.

Scientists grow unspecialised cells in the laboratory. They then treat the cells so that the cells become heart muscle cells.

Describe what must happen to the unspecialised cells for them to become heart muscle cells.

[3]
c.

Suggest one reason why this treatment might not work in a patient.

[1]
Markscheme

1.1 Cell structure Questions

  1. GCSE
  2. /Biology
  3. /1.1 Cell structure

282 exam-style questions on AQA GCSE Biology 1.1 Cell structure, covering 1.1.1 Eukaryotes and prokaryotes, 1.1.2 Animal and plant cells, 1.1.3 Cell specialisation, 1.1.4 Cell differentiation, 1.1.5 Microscopy, and 1.1.6 Culturing microorganisms. Each one has a worked solution and a mark scheme showing where the marks go.

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