A researcher isolates a single-celled organism from water collected in a cave. The cell's DNA lies free in the cytoplasm.
Which group does the organism belong to?
Animals
Bacteria
Fungi
Protists
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.