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A&P Lab
Chapter 3,4,6
| Question | Answer |
|---|---|
| Nucleus: | control center of the cell; site of genes and genetic material, DNA, |
| Plasma membrane: | separates the cell contents from the surrounding environment. |
| Ribosome: | makes copy of DNA |
| Rough endoplasmic: | provides an area for protein made on the ribosomes transported to other cell areas; external face synthesizes phospholipids |
| Rough endoplasmic: | site of steroid and lipid synthesis, lipid metabolism and drug detox. (no protein synthesis related function.) |
| Golgi apparatus: | Associated with small vesicles; packs protein or other substances that will be exported from the cell or incorporated into the plasma membrane; packaging lysosomeal enzymes |
| Lysosome: | membrane sacs containing digestive enz; digest worn-out cell organelles and foreign substances; if rupture can destroy whole cell |
| Mitochondria: | power house of the cell; ezn oxidizes food stuff produce ATP |
| Chromatin: | structure in the nucleus that carry the hereditary factors/ genes; genetic material in a threadlike form |
| Chromosome: | tightly coiled chromatins visible during cell division |
| Cytosol: | liquid part of the cytoplasm |
| Organelle: | small organs; structures of the cell |
| Organelle: | small organs; structures of the cell |
| Active transport: | net movement of a substance across a membrane against a concentration or electrical gradient; requires release and use of cellular energy |
| Passive transport: | membrane transport process that does not require cellular energy (ATP); Diffusion which is driven by kinetic energy |
| Diffusion: | the spreading of particles in a gas or solution with a movement towards uniform distribution of particles |
| Osmosis: | the diffusion of a solvent through a membrane from a dilute solution into a more concentrated one |
| Selective permeability: | a barrier allows some substances to pass through it while excluding other, nutrients in undesirables out |
| Isotonic solution, | soulution has same concentration |
| Hypotonic solution | concentration goes out |
| Hypertonic solution | concentration goes in |
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