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1.1 Cell structure

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Question 19

A veterinary scientist compares a skin cell from a dog with a bacterial cell from the dog's mouth.

A trainee says that the two cells must be the same type of cell because both of them contain DNA.

Which statement explains why the trainee is wrong?

[1]
A

The skin cell is prokaryotic because its DNA is enclosed in a nucleus, but the bacterial cell is eukaryotic because its DNA is not.

B

The skin cell is eukaryotic because its DNA is enclosed in a nucleus, but the bacterial cell is prokaryotic because its DNA is not.

C

The skin cell is eukaryotic because it contains ribosomes, but the bacterial cell is prokaryotic because it has no ribosomes.

D

The skin cell is eukaryotic because it has a cell membrane, but the bacterial cell is prokaryotic because it has no cell membrane.

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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