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organelles

TermDefinition
Nucleus Structure: surrounded by nuclear envelope; filled with nuclear pores; nuclear envelope continuous with ER Function: houses chromosomes, which are made of chromatin; contains nucleoli, where ribosomal units are made; pored regulate entry and exit
Ribosome Structure: 2 subunits made of ribosomal RNA and proteins; can be free in Christi or bound to ER Function: protein synthesis
Smooth endoplasmic reticulum (ER) Structure: extensive network or membrane bounded tubules and sacs; membrane separates lumen from cytosol; continuous with nuclear envelope Function: lipid synthesis, metabolism of carbohydrates, Calcium storage, drug and poison detoxification
Rough endoplasmic reticulum (ER) Structure: same as smooth er Function: aids in synthesis of secretory and other proteins from bound ribosomes; adds carbohydrates to proteins to make glycoproteins; produces new membrane
Golgi apparatus Structure: stacks of flattened membranous sacs; has polarity (Cis and trans faces) Function: stores and packages proteins and phospholipids, synthesis of many polysaccharides
Lysosomes Structure: membranous sac of hydrologic enzymes Function: breakdown of ingested substances, cell macromolecules, and damaged organelles for recycling
Vacuole Structure: large membrane bound organelle Function: digestion, storage, waste disposal, star balance, plant cell growth and protection
Mitochondria Structure: bounded by double membrane; inner membrane has cristae Function: cellular respiration; makes ATP
Chloroplast Structure: 2 membranes around fluid storms, which contains thylakoids into grana Function: photosynthesis
Peroxisome Structure: Specialized metabolic compartment bounded by a single membrane Function: contains enzymes that transfer hydrocarbon atoms from certain colegiales to oxygen produicing hydrogen peroxide
Created by: Lohi
 

 



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