Across
- 4. substances that reduce or stop the activity of an enzyme
- 5. a reaction that absorbs free energy from the surroundings
- 9. a small organic molecule that binds to an enzyme and helps it function
- 11. the sum of all the chemical reactions occurring in that cell
Down
- 1. substances formed at the end of a chemical reaction
- 2. a reaction that has a net release of energy
- 3. a model of enzyme action where the enzyme's active site is a set shape ready to fit the substrate exactly
- 6. a model of enzyme activity describes a flexible active site that changes shape, or conforms, to the substrate as they bond together.
- 7. referred to as substrates in a catalysed reaction
- 8. the process of making large molecules from smaller ones
- 9. the process of breaking down large molecules into smaller ones
- 10. energy The minimum amount of energy required to start a chemical reaction