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36 Cards in this Set
- Front
- Back
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What are cells?
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Basic units of structure and function in living things
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What are two types of microscopes?
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simple and compound microscopes
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How many lenses does a compound microscope have?
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one or more
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What are living things made of?
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cells
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where do cells come from?
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cells come from other cells
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what is unicellular?
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made of one cell
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what is an example of unicellular?
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bacteria
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what is multicellular?
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manny celled
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what is an example of multicellular?
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human dog frog pollywog chickenbutt
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what does magnification do?
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makes things loook larger
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what does resolution do?
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ability to distinguish individual parts
sharpens image |
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what does the eye pice of a microscope do?
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magnifies 10x
part that look through |
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medium power objective
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maginfies 10x normal size
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high power objetive
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magnifies 40x normal size
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what does the stage do?
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supports the slide being viewed
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what does the diaphragm do?
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controls amount of light coming through stage
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what does the mirror/illuminator do?
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refracts light through the stage to the eye
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what does the arm do?
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used for carrying microscpoe
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what does the low power objective do?
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magnifies images 4x
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what do the stage clips do?
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hold slide in position while viewing
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what does the coarse adjustment knob do?
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moves stage up and down for viewing
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what does the fine adjustment knob do?
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used to focus details
uswe onlyafter focusing with the coarse knob |
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what does the base do?
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supports microscope
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whta are lysosomes?
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small round structures that break down materials in cell
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what is the endoplasmic reticulum?
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looks like maze and acts as passageways that help form protiens and other materials
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what does the golgi body do?
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recive protiens and other newly formed materials from th er
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what does the nucleus do?
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controls and directs cells
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what does the nuclear membrane do?
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protects nucleus
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what does the cell wall do?
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protects and supports plant cells
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what do chloroplasts do?
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capture energy from sunlight and produce food
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what does the nucleolus do?
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produce ribosomes
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what do ribosomes do?
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functions as factiories that produce protiens
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what do mitochandria do?
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convert food into energy 4 cell
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what does the vacuole do?
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stores food and other materials
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what does the cell membrane do?
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separates cell from envirornment
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what is cytoplasm?
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region between cell membrane and nucleus
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