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cumandpj chapter 3

vocabulary

QuestionAnswer
active transport use metabloic energy to move a substance across a cell membrane.
cell membrane outter boundry of cell.
centrosome organelle consiting of two centrioles
chromsomes rod like structures that condences form chromatid in a cells nucleus during mitosis
cytoplasm jelly like substance
difussion random movement of molecules from region of higher concentration to a lower concentration.
indocitosis process by which cell membranes envelops a substance and draws it into a cell.
indoplasmic reticulum organells composed of the of connected membranous tubules and vesicles along which protein is synthesized
equilierium state of of balnace between to opposeing forces
exocytososis transports of substance out of cell to vessels
facilitated diffusion diffusion in which carry molecules transport substance across membranes for reginons of higher concentration to membranes of lower concentration
filitrarion movement of material across a membrane as a result of hydrostatic pressure
golgi apparatus an organelle that prepares cellular products for secretion.
lysosome organelle that contains digestive enzymes.
mitochondria organelle that acts as the powerhouse of the cell.
mitosis divison of a somatic cell to form two genetically identicall cells
nucleolus small structure within cell nucleus that contains rna and proteins
nucleus cellular organelle enclosed by double layer porous membrane containg dna dense core of atom coposed of protons and neutrons
organelle part of cell that performs a specilized function
osmosis diffusion of water through selectively permeable membrane in response of oral cavity.
phagocytosis process by which a cell engulfs and digest solid substances
pinocytosis process by which a cell engulfs droplets from its surrondings
ribosome support system
selectively permeable describes membranes that allows some molecules through but not others
vesicle membraneous cytoplasmic formed by enfolding of the cell membrane.
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Created by: cumandpj
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