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This 1 page Class Notes was uploaded by Faith M Elissague on Monday September 19, 2016. The Class Notes belongs to Biology 003 at Los Angeles Valley College taught by Yousef Harfouche in Fall 2016. Since its upload, it has received 7 views. For similar materials see Intro Biology in Biology at Los Angeles Valley College.
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Date Created: 09/19/16
Things to know for the Lab Quiz: There were two different kinds of microscopes we used last Tuesday: 1. Compound Microscope: also known as the light microscope, and it is used for small, thin specimens. 2. Dissecting Microscope: sometimes called the stereoscopic microscope and it is used for larger specimens There are three magnification settings on the compound microscope 1. 4x… Which is 4 x 10= 40 2. 10x …. Which is 10 x 10 = 100 3. 40x… which is 40 x 10 = 400 There are three shapes bacteria is organized in 1. Cocci: spherical 2. Bracilli: rod shaped 3. Spirochetes and spirilla: spiral Different shapes of protists to know: 1. Amoeba: egg shaped 2. Euglena: mouse with a tail shaped 3. Paramecium: little sausages with tiny hairs that vibrate to move around 4. Volvox: Moonlike Diffusion: occurs whenever dissolved particles move from an area of high concentration to an area of low concentration Osmosis: occurs whenever particles dissolved move from an area of low concentration to high concentration Hypotonic: the solution has a lower solute concentration than the cell so water moves into the cell causing plant cells to swell and animal cells to swell and burst isotonic The concentration of solutes is equal inside and outside the cell so water moves across the membrane in both directions maintaining cell size Hypertonic The solution has a higher solute concentration than the cell so water moves out of the cell and into the solution causing the cell to plasmolyze
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