SCIENCE EXAM
About this set
Created by:
dilitimor on December 15, 2009
Subjects:
Classes:
Hawks, Cistercian Class of 2016, DJIBOUTI, CPS 2016 BEASTS
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23 terms
Terms | Definitions |
|---|---|
 ocular | contains the lens that maginfies 10x for the microscope |
| eyepiece tube | a hollow cylinder that holds the eyepiece in a proper position for the microscope |
| monocular head | the base of the eyepiece tube; can rotate for the microscope |
| arm | connects head to the rest of the microscope |
| coarse focusing mechanism | the big knob that moves the stage quickly up and down bringing the specimen into a rough focus for teh microscope |
| fine adjustment knob | brings the image into a sharp focus for the microscope |
| on/off switch | turns the light on and off for the microscope |
| base | weighted platform to which the working part of the microscope is attached |
| sub stage illuminator | light source for the microscope |
| disc diaphragm | used to control the amont of light that passes through the specimen for the microscope |
| stage clips | used to hold the slide firmly in place for the microscope |
| objective lenses | 3 lenses. low power magnifies 4x medium power one magnifies 10x. high power magnifies 40x for the microscope |
| spontaneous generation | the theory that living things come from non living things |
| biogenisis | the theory that replaced spontaneous generation |
| scientific method | purpose, hypothesis, materials, procedure, results, conclusion (what is it called?) |
| Carbohydrates | energy rich organic compounds made of carbon, hydrogen, and oxygen |
| lipids | fats oils and waxes are made up of these. made of carbon, hydrogen, oxygen |
| protiens | made of amino acids. also made of carbon, oxygen, hydrogen, and nitrogen |
| cell cycle | the regular sequence of growth and division that cells undergo |
| osmosis | the diffusion of liquid through a selectively permeable membrane |
| diffusion | when molecules move froma an area of high concentration to an area of low concentration. it requires no energy |
| tRNA | the RNA that has the amino acid to attach to the protien |
| mRNA | carries the data to the ribosome on how to make the protien. comes out of the nuclear pores |
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