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1.1 Cell structure

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Question 24

A quality-control test finds 15 bacteria in a sample of fruit juice. During storage, the bacterial population doubles once every 18 minutes. The juice is stored under these conditions for 2 hours 24 minutes.

Calculate the expected number of bacteria in the sample at the end of storage. Write your answer in standard form.

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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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