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the cell in action
emma harris
| Term | Definition |
|---|---|
| diffusion | the movement of particles from religion of higher density to regions of lower density |
| osmosis | the diffusion of water through a semipermeable membrane |
| passive transport | the movement of substances across a cell membrane without the use of energy by the cell |
| active transport | the movement of substances the cell membrane that requires the cell to use energy |
| endocytosis | the process by which a cell membrane surrounds a particle and encloses the particle in a vesicle to bring the particle into the cell |
| exocytosis | the process in which a cell releases a particle a particle by enclosing the particle in a vesicle that moves to the cell surface and fuses with the cell membrane |
| photosynthesis | the process by which plants , algae , and some bacteria use in sunlight , carbon dioxide , and water to make food |
| cellular respiration | the process by which cells use oxygen to produce energy from food |
| fermentation | the breakdown of food without the use of oxygen |
| cell cycle | the life of a cell |
| chromosomes | in a Eukaryotic cell , one of the structures in the nucleus that are made up of DNA and protein; in a prokaryotic cell , the main ring of DNA |
| homologous chromosomes | chromosomes that have the same sequence of genes and the same structure |
| mitosis | in eukaryotic cells , a process of cell division that forms two new nuclei , each of witch has the same number of chromosomes |
| cytokinesis | the division of the cytoplasm of a cell |