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Bio Ch.3
ch.3
| Question | Answer |
|---|---|
| Plasa Membrane | a flexible yet sturdy barrier that surrounds and contians the cytoplasm of a crll |
| Lazy River | Plasa Membrane |
| Integral proteins | all the way through |
| peripheral proteins | stuck on the outside |
| glycoproteins | liitle flags sticking up |
| lipid bilayers | basic strcutural framework of the plasa membrane |
| passive processes | works by movement |
| active process | going against gradient |
| passive processes | higher to lower |
| active processes | low to high |
| diffus | spreading |
| passive processes | does not require energy, does not use energy |
| passive processes | is spontaneous |
| electrical gradient | a difference in electrical changes between 2 regions |
| conceration gradient | is a difference in the conceration of a chemical from one place to another |
| facilitated diffusion | high to low, needs a protein channel |
| diffusion | is a passive processes in which the random mixing of particles in a solution occurs because of the particles kinetic energy |
| carrier-mediated faciliated diffusion | a carrier is used to move a solute down ist conceration gradient across the plasa membrane |
| faciliated difusion | solutes that are too polar or highly charged to move through the lipid bilayer by simple diffusion can cross the plasa mebrane by a passive process |
| iso | smae |
| hypo | less than |
| hyper | greater than |
| hypotonic solutions | low salt |
| isotonic solutions | equal salt |
| hypertonic solutions | high salt |
| 3 types of solutions are.. | isotonic, hypertonic, hypotonic |
| osmosis | is a type of difusion in which there is non movement of a solvent through a seclectively permeable membrane |
| osmosis | movement of water |
| saodium releated to high blood pressure? | yes |
| water follows.. | salt |
| tonic | tension |
| tonicity | is a measure of the solutions ability to change the voulme of cells by a altering their water content |
| symporters | goes into it |
| anti | against |
| sym | same |
| moving ions create | energy |
| exocytosis | materials move out of a cell by the fusion of vescles with the plasa membrane |
| endocytosis | materials move into a cell in a vescile, formed from the plasa membrane |
| 3 types of active transport | primary active transport, secondary active transport, transport in vesciles |
| sodium-potassium pump | move sodium out and potassium back in |
| antiporters | move 2substances in opposite directions across the mebrane |
| outside of the cell is | postive |
| inside the cell is | negative |
| inside cell is negative because... | it has more proteins inside, which have anegative charge |
| flagella are found on what cells? | sperm |
| cillia are found on what cells | respiratory |
| cillia | move fluid along the cell surfae |
| flagella | move cells through the medium |
| ribosomes is | where proteins are made |
| ribosomes are made out of... | rRNA made in the nuceolous which lives in the nucleus |
| rough ER | contains bound ribosomes |
| smooth ER | has enzymes involved in metabolism of lipids and drugs |
| Lysosomes, Peroxisomes, Proteasoes | are break down stuff |
| lysosomes | contain digestive enzymes used to break down, ingested material, worn-out part of cells, destory the whole cell |
| perosisomes | contain oxidative enzymes important in metabolism |
| proteasomes | break down worn out or unneeded proteins |
| mitochondira | is where ATP is made |
Created by:
Courtneey
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