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Cell Organelles

vocabulary word

TermDefinition
Cell (plasma) membrane the semipermeable membrane surrounding the cytoplasm of a cell
Cytoplasm the material or protoplasm within a living cell, excluding the nucleus.
Nucleus In cell biology, the nucleus is a membrane-enclosed organelle found in eukaryotic cells
Nucleous The nucleolus is a round body located inside the nucleus of a eukaryotic cell
Nuclear membrane A nuclear membrane, also known as the nuclear envelope, is the lipid bilayer membrane which surrounds the genetic material and nucleolus in eukaryotic cells.
Endoplasmic reticulum a network of membranous tubules within the cytoplasm of a eukaryotic cell, continuous with the nuclear membrane. It usually has ribosomes attached and is involved in protein and lipid synthesis.
Ribosomes A sphere-shaped structure within the cytoplasm of a cell that is composed of RNA and protein and is the site of protein synthesis.
Mitochondria an organelle found in large numbers in most cells, in which the biochemical processes of respiration and energy production occur
Golgi body a complex of vesicles and folded membranes within the cytoplasm of most eukaryotic cells, involved in secretion and intracellular transport.
Centrioles a minute cylindrical organelle near the nucleus in animal cells, occurring in pairs and involved in the development of spindle fibers in cell division.
Vacuole A cavity within the cytoplasm of a cell, surrounded by a single membrane and containing fluid, food, or metabolic waste
Lysosome an organelle in the cytoplasm of eukaryotic cells containing degradative enzymes enclosed in a membrane.
Peroxisome a cell organelle containing catalase, peroxidase, and other oxidative enzymes and performing essential metabolic functions, as the decomposition of fatty acids and hydrogen peroxide.
Chloroplasts Chloroplast is the combination of two biological terms, plastid and chloros, which means green.
Cell wall a rigid layer of polysaccharides lying outside the plasma membrane of the cells of plants, fungi, and bacteria. In the algae and higher plants, it consists mainly of cellulose.
Created by: amiliaboot