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homeostasis
Term | Definition |
---|---|
homeostasis | the maintenance of a constant internal state in a changing environment |
diffusion | the movement of particles from regions of higher density to regions of lower density |
photosynthesis | the process by which plants, algae, and some bacteria use sunlight, carbon dioxide, and water to make food |
osmosis | the diffusion of water through a semipermeable membrane |
cellular respiration | the process by which cells use oxygen to produce energy from food |
active transport | the movement of substances across the cell membrane that requires the cell to use energy |
mitosis | in eukaryotic cells, a process division that forms two new nuclei, each of which has the same number of chromosomes |
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 |
passive transport | the movement of substances across a cell membrane without the use energy by the cell |
exocytosis | the process by which a cell membrane surrounds a particle and encloses that particle in a vesicle to bring the particle into the cell |