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21 Cards in this Set
- Front
- Back
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Lysosome
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The organelle in animal cells responsible for hydrolysis reactions which break down proteins, polysaccharides, disaccharides, & some lipids
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Messenger RNA
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The RNA that performs transcription
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Microtubules
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Spiral strands of protein molecules that form a rope-like structure
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Middle lamella
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The thin film between the cell walls of adjacent plant cells
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Mitochondria
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The organelles in which nutrients are converted to energy
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Nuclear membrane
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A highly-porous membrane that separates the nucleus from the cytoplasm
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Passive transport
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Movement of molecules through the plasma membrane according to the dictates of osmosis or diffusion
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Phagocytic vacuole
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A vacuole that holds the matter which a cell engulfs
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Phagocytosis
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The process by which a cell engulfs foreign substances or other cells
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Phospholipid
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A lipid in which one of the fatty acid molecules has been replaced by a molecule which contains a phosphate group
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Pinocytic vesicle
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Vesicle formed at the plasma membrane to allow the absorption of large molecules
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Plasma membrane
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The semipermeable membrane between the cell contents & either the cell wall or the cell's surroundings
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Plasmolysis
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A collapse of the cell's cytoplasm due to lack of water
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Ribosomes
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Non-membrane-bound organelles responsible for protein synthesis
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Rough endoplasmic reticulum
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ER that is dotted with ribosomes
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Secretion
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The release of biosynthesized substances for use by other cells
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Secretion vesicle
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Vesicle that holds secretion products so that they can be transported to the plasma membrane & released
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Smooth endoplasmic reticulum
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ER that has no ribosomes
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Transcription
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The process in which mRNA produces a negative of a strand of DNA
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Translation
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The process by which proteins are formed in the ribosome according to the negative in mRNA
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Waste vacuoles
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Vacuoles that contain the waste products of digestion
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