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16 Cards in this Set
- Front
- Back
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nuclues |
contains DNA; pattern for building all proteins for the cell |
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nuclear envelope |
membrane around nucleus; DNA cannot cross it |
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nucleolus |
area in nucleus; site of rRNA synthesis |
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chromatin |
unwound DNA inside nucleus |
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nuclear pore |
opening in nuclear envelope; allows mRNA out of nucleus |
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cyto skeleton |
several different types; internal scaffolding for cell |
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cytoplasm |
semi solid substance; fills space between plasma membrane and nucleus; composed of organelles suspended in cytosol |
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plasma membrane |
outer boundary of cell; lipid bilayer; regulates what enters or leaves the cell |
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ribosomes |
composed of rRNA and proteins; site of mRNA translation; free ribosomes are in cytoplasm; fixed ribosomes stud outside of RER |
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mitochondrion |
membranous organelle; bean shaped; site of ATP synthesis |
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Rough endoplasmic reticulum |
membranous organelle; network of channels; site of protein synthesis |
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smooth endoplasmic reticulum |
membranous organelle; forms tube like structure; site of lipid synthesis |
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lysosome |
lyso-break some-down; membrane bound vesicle; contains digestive enzymes |
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centriole |
paired organelle; organizes spindle fibers during mitosis |
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Golgi apparatus |
membranous organelle; forms stack of plates; proteins packaged for secretion |
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transport vesicle |
membrane bound vesicle; transports substances throughout the cell |
