LAB06 Study Guide

Ocular lenses
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Terms in this set (32)
stageFlat platform connected to the arm and beneath the objective lenses, upon which the specimen slide is placedcondensera lens located just below the stage; concentrates light on the specimen (farther away the condenser is from the specimen the broader the light beam, the closer the condenser the more narrow and concentrated the light beam.)condensor controlknob allowing the viewer to control the position of the condenser.iris diaphragm leverlevel located beneath the condenser, opens and closes iris diaphragm regulating the light passing through the condenser.coarse adjustment knobTwo knobs on either side of the microscope at the base of the arm. (largest knobs on the arm). ONLY USED WITH SCANNING (4x) or the low power lens (10x)fine adjustment knobTwo knobs located in the center of each coarse knob. high power (40x) and oil immersion (100x) lensessubstage lightLight within the base providing the light source for illumination of the specimen. (power switch at the side or front of the microscope turns it off and on)rheostatdial that adjusts the light intensity allowed through the condenser on to the specimen.basethe supportive flat surface of the microscope that rests on the tableScanning lens60x REDLower power lens150x YELLOWHigh power lens600x BLUEOil Immersion lens1500x WHITEUnderscanning 4x lensTop: Red Middle: Yellow Bottom: BlueUnderscanning 40x lensTop: Red Middle: Blue Bottom: YellowPlasma membraneOuter boundary of the cellDNAAll cells store genetic informationCytoplasmEverything inside the plasma membrane that is not DNA or the nucleusRibosomesmake proteinsMetabolismAll cells must undergo to surviveProto-Sloviscous liquid made to put on wet mounts to slow the protists down