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living environment
cells quiz review
| Question | Answer |
|---|---|
| Objectives | magnification on the microscope that makes the image larger (4x , 10x, 40x) |
| Magnification | how large an image appears (calculation by multiplying all objectives) |
| Eye Piece | used to view the specimen, has a 10x magnification |
| Low Power | shows LESS detail but more sample, is larger and brighter |
| High Power | shows MORE detail but less sample, is smaller and duller |
| Diaphragm | controls the amount of light on the microscope |
| Course Adjustment | moves the stage, should not move in high power due to cracking slides |
| Fine Adjustment | makes the image have more clarity |
| Cell Theory | all living things are made of cells, all cells have structure and function, all cells come from pre-existing cells |
| Objects on the microscope | look upside down and backwards |
| 1mm | 1,000 um |
| Nucleus | stores genetic information, makes ribosomes, gives the information needed to make proteins |
| Cytoplasm | jelly like substance that helps molecules move around the cell |
| Vacuole | storage of the cell, one large cell in plants, many small cells in animals |
| Lysosome | breaks down materials and waste |
| Centrioles | used in cell division, only found in animals |
| Ribosome | protein synthesis |
| Endoplasmic Reticulum | series of tubes surrounding the nucleus that make proteins and lipids |
| Golgi Apparatus | packages and ships material made by the ER |
| Chloroplasts | found only in plants, site of photosynthesis, make sugar using the energy from the sun |
| Mitochondria | converts chemical energy from food into ATP, cell respiration |
| Endosymbiotic Theory | chloroplast and mitochondria were one of the first organisms on earth because they have their own set of DNA |
| Cell Wall | plants only, support and protect the cell |
| Cell Membrane | control what goes into and out of the cell |
| Wet Mount Slides | add a drop of water to the slide, add the specimen to the water drop, drop the coverslip on a 45 degree angle to eliminate air bubbles |
| Staining Slides | add stain to one side, paper towel on the other, let the stain move through, do not lift up cover slip |
Created by:
keira delaney
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