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1.1 Cell structure

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Question 40

A microbiologist examines four microbial cells collected from garden compost.

CellObservations
WAll the DNA is enclosed in a nucleus.
XOne DNA loop is free in the cytoplasm, with no other DNA present.
YOne DNA loop and three smaller DNA rings are free in the cytoplasm.
ZOne DNA loop is free in the cytoplasm and the cell has a flagellum, with no other DNA present.

Which statement identifies the cell carrying plasmids?

[1]
A

Cell W carries plasmids.

B

Cell Z carries plasmids.

C

Cell Y carries plasmids.

D

Cell X carries plasmids.

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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