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10 Cards in this Set
- Front
- Back
chromosome
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in animal cells, a structure in the nucleus containing a linear thread of DNA which transmits genetic information and is associated with RNA and histones
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plasmid
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an extrachromosomal self-replicating structure of bacterial cells that carries genes for a variety of functions not essential for cell growth and that can be transferred to other cells by conjugation or transduction
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ribosome
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any of the intracellular ribonucleoprotein particles concerned with protein synthesis; they consist of reversibly dissociable units and are found either bound to cell membranes or free in the cytoplasm.
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cell membrane
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A minute round cytoplasmic particle composed of RNA and protein that is the site of protein synthesis as directed by mRNA
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cytoskeleton
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a conspicuous internal reinforcement in the cytoplasm of a cell, consisting of tonofibrils, filaments of the terminal web, and other microfilaments
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fimbria or pilus
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A fringelike anatomical part or structure
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flagellum
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a long, mobile, whiplike appendage arising from a basal body at the surface of a cell, serving as a locomotor organelle
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inclusion (storage)
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anything that is enclosed; a cell inclusion
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capsule of slime layer
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a cartilaginous, fatty, fibrous, membranous structure enveloping another structure, organ, or part
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spore
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the reproductive element, produced sexually or asexually, of one of the lower organisms, such as protozoa, fungi, algae
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