click below
click below
Normal Size Small Size show me how
cells
Biology
| Term | Definition |
|---|---|
| Cells | All living things are made up of these. |
| Nucleus | Contains genetic material that controls the activities of the cell. |
| Cytoplasm | Gel-like substance where most of the chemical reactions happen. It contains enzymes that control these chemical reactions. |
| Cell membrane | Holds the cells together and controls what goes in and out. |
| Mitochondria | These are where most of the reactions happen for respiration take place, they release energy. |
| Ribosomes | These are where the proteins are made in the cell. |
| Cell wall | Made of cellulose. It supports the cell and strengthens it. |
| Permanent vaculoe | Contains cell sap, a weak solution of sugar and salt. |
| Chloroplast | Where photosynthesis occurs, which makes food for the plant. They contain a green substance called chlorphyll. |
| Yeast | Singled-celled organism, only contains nucleus, cytoplasm and a cell membrane and a cell wall. |
| Bacterial | Singled- celled organism that has cytoplasm, cell membrane, cell wall, genetic material. |
| Diffusion | The spreading out of particles from an area of high concentration to an area of low concentration. |
| Specialised cells | Specific function for something , e.g red blood cells |
| Tissue |