Biology revision

1. Contains the DNA in a cell
3. Where photosynthesis happens in a plant cell
5. The shape of red blood cell
7. Stores cell sap in a plant cell
11. movement of water molecules from an area of higher water potential to an area of lower water potential , across a partially permeable membrane
12. blood cell Cell needed to transport oxygen and carbon dioxide around the body in the blood
14. membrane holds the cell together and controls what goes in and out in a cell
15. Contain most of the chloroplasts in a leaf. The main site of photosynthesis in many plant species.

2. Where most chemical reactions happen in an animal cell
4. Where most respirations happen in a cell
6. the cell that Sweep mucus out of the airways
8. Join amino acids together and controls what goes in and out in a cell
9. The cell is from women. Found in the ovaries. Its job is to carry genetic information.
10. Net movement of particles from an area of their higher concentration to an area of their lower concentration through a concentration gradient, as a result of their random movement
13. The cells fertilise egg cells in the early stage of pregnancy