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A&P Lab

Chapter 3,4,6

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
Created by: 1815104090



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