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RC-Science Ch. 4
RC- Science Ch. 4
| Question | Answer |
|---|---|
| diffusion of water through a semipermeable membrane where water moves from high to low | Osmosis |
| 3 types of solutions a cell can be placed in | Hypertonic ; Hypotonic ; Isotonic |
| the solute concentrate (particle concentrate) is greater on the outside than it is on the outside | Hypertonic Solution |
| the solute concentrate is less on the outside of cell than on the inside | Hypotonic Solution |
| the solution concentrate is the same on the inside and outside of cell | Isotonic |
| 2 ways a cell gets materials in and out of cell | Passive Transport ; Active Transport |
| movement of materials across a cell membrane w/o the use of energy | Passive Transport |
| 2 examples of passive transport | Diffusion ; Osmosis |
| movement of materials across a cell membrane that requires to use energy | Active Transport |
| 2 types of active transport | Endocytosis;Exocytosis; |
| An AT process by which particles leave the cell | Exocytosis |
| AT procees in which cell surrounds particle in vesicle to bring it in | Endocytosis |
| 2 types of endocytosis | Pinosytosis; Phagosytosis |
| movement of particles form high to low concentration | diffuison |
| process by which plants capture energy from the sun and convert it into food | photosynthesis |
| pigmit in chlorplast that absorbs sunlight | Chlorophyll |
| formula for photosythisis | CO2 + H2O to sun C6H12O6 + O2 gluctose |
| 2 ways animals get energy | Cellular Respiration , Fermentation |
| uses oxygen to break down food (way animal get energy) | Cellular Respiration |
| takes place in absence of oxygen | fermantation |
| Chemical that requires oxygen | Aerobic Rxn. |
| chemical that doesnt require oxygen | anaerobic rxn. |
| the life cycle of a cell . | The Cell Cycle |
| phase between cell division; spends most of time; | Interphase |
| 4 phaseses of mitosis | prophase; metaphase; anaphase; telophase |
| chromatin condenses; nucleaus , nuclear membrane dissapears; centrioles to opp. poles; spindle fibers form b/w centrioles | prophase |
| chromosomes line up at equator of cell | metaphase |
| centromeres split; chromotids move to opp poles and are called chromosomes | anaphase |
| chromosomes uncoil; nuclear mem. and nucleaus reappear; spindles leave | telophase |
Created by:
Robert Coker
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