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1.1 Cell structures

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Question 12

A sample of cells is exposed separately to chemical messengers M and N. Messenger M causes a change inside the cells, but messenger N does not.

Explain why the cells respond to messenger M but not messenger N.

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1.1 Cell structures Questions

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

130 exam-style questions on OCR GCSE Biology 1.1 Cell structures, covering 1.1.1 Viewing cells with light microscopes, 1.1.2 Sub-cellular structures and functions, and 1.1.3 Electron microscopy and resolution. Each one has a worked solution and a mark scheme showing where the marks go.

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