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NUCLEUS : CHROMATIN: grainy/rice, DNA loose = chromatin, tight = chromosome

NUCLEUS : CHROMATIN: grainy/rice, DNA loose = chromatin, tight = chromosome NUCLEOLUS : dark blob – makes ribosomes NUC MEMBRANE : holds in, controls in/out, holes = pores = ‘doors’ CYTOPLASM : goo/gel, 70% water, holds organelles, all cell proc, streams

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NUCLEUS : CHROMATIN: grainy/rice, DNA loose = chromatin, tight = chromosome

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  1. NUCLEUS: CHROMATIN: grainy/rice, DNA loose = chromatin, tight = chromosome • NUCLEOLUS: dark blob – makes ribosomes • NUC MEMBRANE: holds in, controls in/out, holes = pores = ‘doors’ • CYTOPLASM: goo/gel, 70% water, holds organelles, all cell proc, streams • VACUOLE: bubble/balloon, storage – esp water, plants1 / 2 BIG ones • LYSOSOME: digestion, mem around food/acid, only sometimes in plant • RIBOSOME: tiny dots, make proteins, some loose in cyto – most on RER • GOLGI BODY: curved mem – stadium seating, pkg-store-secrete chem • MITOCHONDRIA: bean w/ squiggles, powerhouse  Σ by cellular resp • SMOOTH ENDOPLASMIC RETICULUM: transport, 3D, no ribosomes • ROUGH ENDOPLASMIC RETICULUM: transport, 3D, covered w/ ribo • CENTRIOLE: 2 twizzlers/churros, crossed, only animals, cell reproduction • CELL MEMBRANE: surrounds WHOLE cell, holds cyto in, controls in/out • Some Prokaryotic + a few Eukaryotic cells have special organelles for mobility: • FLAGELLA = long tails CILLIA = short hairs (all around)

  2. NUCLEUS: CHROMATIN: grainy/rice, DNA loose = chromatin, tight = chromosome NUCLEOLUS: dark blob – makes ribosomes NUC MEMBRANE: holds in, controls in/out, holes = pores = ‘doors’ CYTOPLASM: goo/gel, 70% water, holds organelles, all cell proc, streams VACUOLE: bubble/balloon, storage – esp water, plants1 / 2 BIG ones LYSOSOME: digestion, mem around food/acid, only sometimes in plant RIBOSOME: tiny dots, make proteins, some loose in cyto – most on RER GOLGI BODY: curved mem – stadium seating, pkg-store-secrete chem MITOCHONDRIA: bean w/ squiggles, powerhouse  Σ by cellular resp SMOOTH ENDOPLASMIC RETICULUM: transport, 3D, no ribosomes ROUGH ENDOPLASMIC RETICULUM: transport, 3D, covered w/ ribo CHLOROPLAST: GREEN, footballs w/ stacks pennies, chem. Chlorophyll does photosynthesis = traps sun’s Σ for use by living things CELL MEMBRANE: surrounds WHOLE cell, holds cyto in, controls in/out CELL WALL: outside cell mem, strong/sturdy, gives shape, holds up

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