Biology Revision

4. - Controls the activity of the cell. Where DNA is found.
7. - Sperm cells have many mitochondria to release ____ for swimming.
10. - Controls the movement of substances in and out of the cell.
14. - Releases energy through respiration. Found in plant and animal cells.
16. - The name for circular DNA found in bacteria
17. - The movement of particles from high concentration to low concentration
18. - Found in plant and animal cells. Where protein synthesis takes place.

1. - These plant cells transport sugar up and down the plant.
2. - The name for the tail of a nerve cell.
3. - The name for the tail of a bacterium which allows movement.
5. - Found in a plant cell. Absorb sunlight for photosynthesis
6. - Only found in plant cells. Where cell sap is stored.
8. - These plant cells transport water up the stem
9. - Nerve cells are specialised to carry _____ impulses around the body.
11. - These plant cells are specialised to absorb water and mineral ions from the soil.
12. - Where water moves across a partially permeable membrane from a dilute solution to a concentrated solution.
13. - If the concentration of solutes in the solution outside the cell is the same as the internal concentration of the cell.
15. - A jelly like substance where chemical reactions take place.