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| The proper way to hold a microscope. |
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Definition
| One hand under the base and one grasping the arm. |
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Definition
| Assures alignment of objective and ocular lenses. |
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| supports the body tube and coarse adjustment knob. |
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| Eyepiece which contains 10x magnification lenses |
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| Microscopes that contain two pairs of lenses: ocular and objective. |
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Definition
| contains lenses of different magnifications. |
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Definition
| allows interchange of objective lenses. |
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| Oculars magnify objects to |
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| The measurement you adjust on the oculars to fit your eyes. |
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| Moves stage up and down for greater changes in focus |
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Definition
| The small, circular plot you can see through the lenses. |
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| moves stage up and down for smaller adjustments in focus. |
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Term
| Images in a microscope appear |
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Definition
| upside down and backwards. |
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Definition
| focuses light onto specimen |
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Definition
| controls the amount of light passing through the specimen |
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Definition
| An object that is in focus on one magnification will remain in focus when switched to other magnifications. |
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Definition
| The fields of view on all magnifications have the same center. |
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Term
| As magnification increases... |
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Definition
| ...field size decreases proportionally. |
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Term
| Formula for calculating field diameters |
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Definition
| Mag scan A x field diameter A = mag scan B x field diameter B |
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Definition
| The circulation or streaming of cytoplasm around a cell. |
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Term
| What caused the Elodea cells to react the way they did? |
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Definition
| The water has been taken away, so the membrane has pulled away from the cell. |
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| supports slide over opening that admits light from illuminator |
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| firm support that bears weight of the microscope |
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| Directs light upward through the diaphragm and stage aperture. |
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Definition
| holds slide firmly in place. |
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