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16 terms

Parts of the Cell

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Plasma Membrane
external boundary of a cell; regulates flow of materials into and out of the cell
Organelle
specialized structures in a cell that perform specific metabolic functions.
Cell
the structural and functional unit of all living things.
Lysosomes
contains digestive enzymes of many varieties; "stomach of the cell"
Mitochondria
scattered throughout the cell; major site of ATP synthesis.
Microvilli
slender extensions of the plasma membrane that increase its surface area
Inclusion
stored glycolgen granules, crystals, and pigments, and so on
Golgi Apparatus
membranous sustem consisting of flattened sacs and vesicles; packages proteins for export.
Nucleus
control center of the cell, necessary for cell division and cell life.
Centrioles
two rod-shaped bodies near the nucleus; the basis of cilia
Nucleolous
dense darkly staining nuclear body; packaging site for ribosomes
Microfilaments
contactile elements of cytoskeleton
Endoplasmic reticulum
membranous system that has "rough" and "smooth" varities
Ribosomes
attached to membrane systems or scattered in the cytoplasm; synthesize proteins.
Chromatin
threadlike structures in the nucleus; contain genetic material (DNA)
Peroxisomes
site of detoxification of harmful chemicals