The figure shows three cells, P, Q and R, drawn to the same scale.
Figure: Three cells drawn to the same scale

Which cell, P, Q or R, is prokaryotic?
Give two pieces of evidence from Figure that support your answer to part (a).
163 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.