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2.2 Animal tissues, organs and organ systems

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Question 85
F

Cancer begins with a change inside a single body cell. Which change is most likely to lead to a tumour forming?

[1]
A

A mutation in a gene that codes for a digestive enzyme

B

A mutation in a gene that controls the rate of cell division

C

A change in the number of mitochondria inside the cell

D

A change in the shape of the cell membrane of the cell

Markscheme

2.2 Animal tissues, organs and organ systems Questions

  1. GCSE
  2. /Biology
  3. /2.2 Animal tissues, organs and organ systems

179 exam-style questions on AQA GCSE Biology 2.2 Animal tissues, organs and organ systems, covering 2.2.1 The human digestive system, 2.2.2 The heart and blood vessels, 2.2.3 Blood, 2.2.4 Coronary heart disease: a non-communicable disease, 2.2.5 Health issues, 2.2.6 The effect of lifestyle on some non-communicable diseases, and 2.2.7 Cancer. Each one has a worked solution and a mark scheme showing where the marks go.

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