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1.1 Cell structure

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Question 30

A microbiologist isolates a single-celled organism from a compost heap. Tests show that the organism is a bacterium.

Which statement must be true about the organism's cell?

[1]
A

Its main loop of DNA lies free in the cytoplasm.

B

A large permanent vacuole fills most of its cell.

C

Its cell wall is made from cellulose.

D

Its DNA is enclosed within a membrane-bound nucleus.

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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