The table shows the percentage of cells that could still differentiate in three samples of tissue taken from the same type of mouse.
Table: The percentage of cells in each sample that could still differentiate
| Sample | Age of mouse when the sample was taken / days | Cells that could still differentiate / % |
|---|---|---|
| 1 | 2 | 88 |
| 2 | 20 | 36 |
| 3 | 90 | 9 |
Which conclusion can be made from the table?
The percentage of cells that can still differentiate falls by the same amount each day.
The older the mouse, the smaller the percentage of cells that can still differentiate.
No cells in an adult mouse can differentiate.
Cells that can still differentiate divide more slowly as the mouse gets older.
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.