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1.1 Cell structure

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Question 35
F

A student is given a sample of bacteria, a sterile agar plate, an inoculating loop, a Bunsen burner, adhesive tape and an incubator.

a.

Describe how the student should prepare an uncontaminated culture of the bacteria on the agar plate.

[4]
b.

The student's finished plate had colonies of three different colours on it. Suggest what this shows about the student's method.

[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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