| A | B |
|---|
| active transport | movement of material through a cell membrane with the use of energy |
| biodegradable | a substance that easily decomposes in the environment |
| carbohydrates | organic compounds that provide most of the body's energy |
| consumers | organisms that can't make their own food |
| diffusion | the movement of molecules where they are concentrated to where they are less concentrated |
| endocytosis | a process by which cells transport a large body through the cell membrane into the cytoplasm |
| enzymes | a protein that speeds chemical reactions in cells without being changed itself |
| equilibrium | condition in which the number of molecules of a substance is maintained at the same amount throughout a space |
| exocytosis | a process by which a cell moves large molecules out through a cell membrane |
| fermentation | a process by which yeast and some bacteria release energy needed for life processes by breaking down glucose into alcohol and carbon dioxide without the use of oxygen |
| lipids | an organic compound that stores and releases large amounts of energy |
| metabolism | all of the changes in an organism that enable it to live, grow and reproduce |
| nucleic acids | large organic molecules that store important information in cells and direct their activities |
| osmosis | the passive transport of water through a cell membrane by diffusion |
| passive transport | movement of material through a cell membrane without the use of energy |
| photosynthesis | a chemical reaction used by producers, such as plants, to produce food |
| producers | gree plants that make their own food by photosynthesis |
| proteins | organic compounds made up of amino acids |
| respiration | a process that releases energy by combining oxygen with glucose |
