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Cell Structure CH. 7

Biology Ch. 7

QuestionAnswer
cells basic unit of life
cell theory fundamental concept of bionlogy
nucleus a lafge membrane-enclosed structure that contains the cell's genetic material in the form of DNA
Eukaryotes cells that contian nuclei
Prokaryotes cells that do not contain nuclei
organelles little organs
cytoplasm portion of the cell outside the nucleus
nuclear envelope composed of two membranes
chromatin granular material in the nucleus
chromosomes chromatin condensedin a cell devide
nucleolus assembly or ribosomes begin
ribosomes small particles of rna and protein found throughout the cytoplasm
endoplasmic reticulum internal membrane system
golgi apparatus proteins produced in the er move next into an organelle
lysosomes small organelles filled with enzymes
vacuoles store material such as water, saltes proteins and corbohydrates
mitochondia singular organelles that converty the chemical energy stored in food into compound that are more convenient for the ell to use
chloroplasts organelles that capture the enefgy rom sunlight and convert it into chemical enefgy
cytyoskeleton structure of eukaryotic cells
centrioles organize cells devision
cell membrane cell border
cell wall thing surrounding the cell membrane
lipid bilayer composition of all cell membranes
concentration mass of solute in volume of solution
diffusion move from concentrate to less
equilibrium same concentratiuon
osmosis WATER PASS ACROSS MEMBRANE
ISOTONIC SAME STRENGTH
hypertonic above strength
hypotonic below strength
facilated diffusion process in figure 7-17
active transport cell move materials in the opposite direction
endocytosys take materials in the cell
phagocytosis eat cells
pinocystes fill membrance with liqued form vacuoles
exocytosis membrane of vacuole fuses with cell membrane
cell specialization cell develope in different wayes
tissue group of similar cells that perform a particular function
organ many group of tissues
organsystem group of organs that work togeather
Created by: imjustjk
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