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2-1-12 quiz A&P1 lec
| Question | Answer |
|---|---|
| 3 types of movement through cell membrane | 1. selectively permeable 2. passive process 3. active process (AT) |
| 3 dependent factors of selectively permeable membranes | 1. size of molecule 2. soluability in lipids 3. presence of carriers |
| uses kinetic energy | passive process |
| 4 passive process types | 1. filtration 2. diffusion 3. facilitated diffusion 4. osmosis |
| solute and solvent through a membrane under pressure. some particles retained | Filtration |
| net solute high to low | diffusion |
| requires membrane and carrier | facilitated diffusion |
| net H20 through sp membrane | osmosis |
| osmosis goes from which solute concentration? | low to high into higher pressure into hypertonic |
| 3 types of osmotic pressure | 1. isotonic 2. hypertonic 3. hypotonic |
| 2 types of Active process | 1. AT 2. Endocytosis |
| goes from low to high solute concentration | AT |
| AT requires (2) | ATP & carrier |
| example of AT | NA-K pump |
| Endocytosis requires | ATP |
| movement of large particle into cell enclosing plasma membrane | Endocytosis |
| drinking of fluids with protein molecule | Pinocytosis |
| eating particles & streaming | Phagocytosis |
| sum total of all chemical processes | metabolism |
| build | anabolism |
| tear down | catabolism |
| enzymes are | catalysts |
| chemical that increases Rx without being altered | Enzymes |
| non protein factor of an enzyme. 1 example | Cofactor/coenzyme, orgnanic. Example B vitamins |
| Enzyme mechanism of action | Lick in Key / Induced Fit Theory. Twist & change to a new product |
| Mechanism of action involves what kind of molecule where> | subtrate molecule @ active site |
| lysosommes contain | hydrolytic enzymes |
| lysosomes are | membrane spheres |
| lysosome 3 functions | 1. Intracellular 2. Autophagy/Autolysis 3. Extracellular |
| Intracellular Function | Pino & Phago cytosis |
| Autophagy/Autolysis | self eating / splitting |
| Extracellular | fertilization & bone dissolution |
| cytoskeleton contains (2) | microtubules & microfilaments |
| microfilaments | rods protein |
| microtubules | cylindrical protein |
| cell inclusions are dispersed in | cytoplasm |
| 3 cell inclusions | melanin, glycogen, lipids |
| storage form glucose | glycogen |
| fat inside cells | lipids |
| mitochonidria structure (4) | double membrane, cristae, matrix, circular helix DNA |
| mitochonidria ATP comes from | enzymes |
| what is the theory about mitochonidria | endosymbiotic theory |
| endosymbiotic theory reasons (4) | endocytotic double membrane, binary fisson, 70s ribosomes, circle helix DNA |
| clusters microtubules at right angles involved in cell division | centrioles |
| examples of tissue without centreoles | nerve & muscle |
| flagella & cilia are | projections that are long & few or short & many. |
| flagella & cilia functions (2) | propel via medium or over cell surface |
| extracellular materials | hyaluronic acid, collagenous fibers, reticular fibers, elastic fibers |
| extracellular holds cells together | hyaluronic acid |
| extracellular white connective tissue | collagenous fibers |
| extracellular fibers provide shape | reticular fibers (liver) |
| extracellular fibers resilient | elastic fibers (outer ear) |
Created by:
la66
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