2-1-12 quiz A&P1 lec
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3 types of movement through cell membrane | 1. selectively permeable 2. passive process 3. active process (AT)
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3 dependent factors of selectively permeable membranes | 1. size of molecule 2. soluability in lipids 3. presence of carriers
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uses kinetic energy | passive process
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4 passive process types | 1. filtration 2. diffusion 3. facilitated diffusion 4. osmosis
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solute and solvent through a membrane under pressure. some particles retained | Filtration
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net solute high to low | diffusion
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requires membrane and carrier | facilitated diffusion
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net H20 through sp membrane | osmosis
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osmosis goes from which solute concentration? | low to high into higher pressure into hypertonic
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3 types of osmotic pressure | 1. isotonic 2. hypertonic 3. hypotonic
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2 types of Active process | 1. AT 2. Endocytosis
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goes from low to high solute concentration | AT
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AT requires (2) | ATP & carrier
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example of AT | NA-K pump
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Endocytosis requires | ATP
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movement of large particle into cell enclosing plasma membrane | Endocytosis
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drinking of fluids with protein molecule | Pinocytosis
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eating particles & streaming | Phagocytosis
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sum total of all chemical processes | metabolism
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build | anabolism
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tear down | catabolism
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enzymes are | catalysts
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chemical that increases Rx without being altered | Enzymes
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non protein factor of an enzyme. 1 example | Cofactor/coenzyme, orgnanic. Example B vitamins
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Enzyme mechanism of action | Lick in Key / Induced Fit Theory. Twist & change to a new product
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Mechanism of action involves what kind of molecule where> | subtrate molecule @ active site
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lysosommes contain | hydrolytic enzymes
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lysosomes are | membrane spheres
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lysosome 3 functions | 1. Intracellular 2. Autophagy/Autolysis 3. Extracellular
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Intracellular Function | Pino & Phago cytosis
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Autophagy/Autolysis | self eating / splitting
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Extracellular | fertilization & bone dissolution
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cytoskeleton contains (2) | microtubules & microfilaments
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microfilaments | rods protein
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microtubules | cylindrical protein
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cell inclusions are dispersed in | cytoplasm
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3 cell inclusions | melanin, glycogen, lipids
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storage form glucose | glycogen
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fat inside cells | lipids
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mitochonidria structure (4) | double membrane, cristae, matrix, circular helix DNA
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mitochonidria ATP comes from | enzymes
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what is the theory about mitochonidria | endosymbiotic theory
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endosymbiotic theory reasons (4) | endocytotic double membrane, binary fisson, 70s ribosomes, circle helix DNA
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clusters microtubules at right angles involved in cell division | centrioles
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examples of tissue without centreoles | nerve & muscle
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flagella & cilia are | projections that are long & few or short & many.
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flagella & cilia functions (2) | propel via medium or over cell surface
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extracellular materials | hyaluronic acid, collagenous fibers, reticular fibers, elastic fibers
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extracellular holds cells together | hyaluronic acid
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extracellular white connective tissue | collagenous fibers
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extracellular fibers provide shape | reticular fibers (liver)
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extracellular fibers resilient | elastic fibers (outer ear)
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