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1.1 Cell structure

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Question 32

Bacteria contaminate a portion of food. They have enough nutrients and are kept at a suitable temperature. There are 3.5 × 103 bacteria at the start, and their mean division time is 25 minutes.

Calculate the number of bacteria after 2 hours 30 minutes.

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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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