Cell Processes
About this set
Created by:
clmiller76 on February 17, 2010
Subjects:
Description:
Chapter 2 cell book
Classes:
M. Stuart's science, 7TH GRADE, Dragonfly, CAPS 6th Science
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17 terms
Terms | Definitions |
|---|---|
diffusion | the movement of particles from an area where their concentration is high to an area where their concentration is low |
osmosis | the diffusion of water across a cell membrane |
passive transport | the diffusion of particles through proteins from areas where the concentration of particles is high to areas where the concentration is low |
active transport | the movement of particles through proteins in the cell membrane against the direction of diffusion; requires cells to use energy |
endocytosis | the process in which a cell membrane surrounds a particle and encloses it in a vesicle to bring it into the cell |
exocytosis | the process used to remove large particles from a cell |
photosynthesis | the process by which plants capture light energy from the sun and convert it into sugar |
cellular respiration | the process of producing ATP from oxygen and glucose |
cell cycle | the life cycle of a cell |
fermentation | the breakdown of sugars to make ATP in the absence of oxygen |
chromosome | a coiled structure of DNA and protein that forms in the cell nucleus during cell division |
binary fission | the simple cell division in which one cell splits into two |
mitosis | nuclear division in eukaryotic cells in which each cell receives a copy of the original chromosomes |
homologous chromosomes | chromosomes with matching information |
chromatids | identical copies of a chromosome |
centromere | the region that holds chromatids together when a chromosome is duplicated |
cytokinesis | the process in which cytoplasm divides after mitosis |
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