animal cell organelles
Terms
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- flagellum
- locomotion organelle present in some animal cells; composed of membrane enclosed microtubules
- centrosome
- region where the cell's microtubules are initiated; in an animal cell, contains a pair of centrioles (function unknown)
- cytoskeleton
- reinforces cell's shape, functions in cell movement; components are made of protein
- microvilli
- projections that increase the cell's surface area
- peroxisome
- organelle with various specialized metabolic functions; produces hydrogen peroxide
- mitochondrion
- organelle where cellular respiration occurs and most ATP is generated
- lysosome
- digestive organelle where macromolecules are hydrolyzed
- golgi apparatus
- organelle active in synthesis, modification, sorting and secretion of cell products
- ribosomes
- nonmembranous organelles (small brown dots) that make proteins free in cytoplasm or bound to rough ER or nuclear envelope
- plasma membrane
- membrane enclosing the cell
- endoplasmic reticulum (ER)
- network of membranous sacs and tubes; active in membrane synthesis and other synthetic and metabolic processes; has rough (ribosome-studded) and smooth regions
- nuclear envelope (NUCLEUS)
- double membrane enclosing the nucleus; perforated by pores; continuous with ER
- nucleolus (NUCLEUS)
- nonmembranous organelle involved in production of ribosomes; a nucleushas one or more nucleoli
- chromatin (NUCLEUS)
- material consisting of DNA and proteins; visible as individual chromosomes in a dividing cell