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Cell Organelles

TermDefinition
Cell (plasma) Membrane The membrane surrounding the cytoplasm of a cell.
Cytoplasm The material or protoplasm within a living cell, excluding the nucleus.
Nucleus a dense organelle present in most eukaryotic cells
Nucleolus a small dense spherical structure in the nucleus of a cell during inter phase
Nuclear Membrane A double-layered lining that encloses a cell nucleus and allows certain molecules to pass through
Endoplasmic Reticulum A network of membranous tubules within the cytoplasm of a eukaryotic cell, continuous with the nuclear membrane
Ribosomes A minute particle consisting of RNA and associated proteins, found in large numbers in the cytoplasm of living cells
Mitochondria An organelle found in large numbers in most cells, in which the biochemical processes of respiration and energy production occur
Golgi Body An organelle, consisting of layers of flattened sacs, that takes up and processes secretory and synthetic products from the endoplasmic reticulum
Centrioles A minute cylindrical organelle near the nucleus in animal cells
Vacuole A space or vesicle within the cytoplasm of a cell
Lysosome An organelle in the cytoplasm of eukaryotic cells containing degradative enzymes enclosed in a membrane
Peroxisome A small organelle that is present in the cytoplasm of many cells and that contains the reducing enzyme catalase and usually some oxidases
Chloroplasts (In green plant cells) A plastid that contains chlorophyll and in which photosynthesis takes place
Cell Wall In the algae and higher plants, it consists mainly of cellulose
Created by: ItzxVanna
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