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19 Cards in this Set
- Front
- Back
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Cytosol function
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site of many enzyme-catalyzed reactions
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Cytosol
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Intracellular fluid in cytoplasm surrounding organelles
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Nucleus
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stores genetic information that controls cellular activities
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Nuclear envelope
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separates nucleus from cytoplasm
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Nuclear pores
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permit small molecules and ions to move between nucleus and cytoplasm
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Nucleoli
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spherical bodies made of protein, DNA, & RNA that assemble ribosomes
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chromatin
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tangled mass of DNA and histone protiens
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Nucleoplasm
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protein rich, fills nucleus
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mucrofilaments
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long, thin fibers of actin protein that provide mechanical support and participate in muscle contraction, cell division, and cell locomotion
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intermediate filaments
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provide anchorage
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microtubules
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hollow cylinders made of tubulin protein that contribute to ctructire of cilia and glagella and guide movement of chromosomes during cell division
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3 parts of cytoskeleton
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1) microfilaments
2) intermediate filaments 3) microtubules |
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ribosomes
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tiny non-membranous organelles consisting of two supunits of ribosomal RNA & proteins-function in protein synthesis
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Rough Endoplasmic Reticulum
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covered w/ ribosomes involved in protein synthesis & intracellular support
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Smooth Endoplasmic Reticulum
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devoid of ribosomes involved in lipid synthesis & intracellular transport
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Golgi complex
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recieves newly synthesized proteins from rought ED, modifies & processes & packages them into vesicles
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Lysosomes
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perform autophagy (digestion & recycling of organelles) and autolysis (digestion & destruction of own cell)
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Peroxisomes
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break down hydrogen peroxide produced during alcohol detoxification
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Centrioles
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Play important role in cell division
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