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1.1 Cell structure

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Question 74

A scientist discovers an unknown single-celled organism in rainwater collected from a hollow tree.

FeatureObservation
Width of cell2.5 μm
Location of DNAFree in the cytoplasm
a.

Which type of cell is this: eukaryotic or prokaryotic?

[1]
b.

Explain how both observations support your answer to part (a).

Predict whether the cell contains mitochondria. Give a reason for your prediction.

[4]
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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