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19 Cards in this Set

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