A child is growing. Cells in the growing tissues carry out many metabolic reactions each second.
State why these cells need a fast rate of respiration.
The table shows two types of smaller molecule found in human cells.
Give the larger molecule made from each type of smaller molecule.
| Smaller molecules | Larger molecule |
|---|---|
| amino acids | |
| glucose molecules |
92 exam-style questions on AQA GCSE Biology 4.2 Respiration, covering 4.2.1 Aerobic and anaerobic respiration, 4.2.2 Response to exercise, and 4.2.3 Metabolism. Each one has a worked solution and a mark scheme showing where the marks go.