| A | B |
|---|
| cell | the smallest unit of a living thing that can perform the functions of life |
| mixture | combo. of substances in which individual substances retain their own properties |
| organic compound | always contain carbon and usually associated with living things |
| enzymes | proteins that regulate nearly all chemical reactions in a cell |
| inorganic compounds | made from elements other than carbon |
| passive transport | movement of substances through the cell membrane without input of energy |
| diffusion | molecules move from an area where there is more of them to less of them |
| equilibrium | molecules are equal in two area |
| osmosis | the diffusion of water through a cell membrane |
| active transport | input of energy is required to move materials through a cell membrance |
| endocytosis | taking substances into cell by surrounding it with the cell membrance |
| exocytosis | process by which vesicles release their contents outside the cell |
| metabolism | the total of all chemical reactions in an organism |
| photosynthesis | producers use light energy to make sugars which can be used as food |
| respiration | process by which producers and consumers release stored energy from food molecules |
