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15 Cards in this Set
- Front
- Back
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enzymes
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protiens that assist the chemical reaction of metabolism
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amino acids
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biulding blocks of protiens, there are 20 different kinds of amino acids that humans use
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polypeptides
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long chains of amino acids
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nucleic acids
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the fourth group of macromolecules found in living things
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nucleotides
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small repeating subunits
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RNA
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ribonucleic acid
plays a veriety of roles in the process of making protiens |
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ATP
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enosine triphosphate
energy currency of a cell |
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magnification
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the ability of a microscope to make an image appear larger
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resolution
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the ability to distinguish small close objects
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light microscope
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a beam of light passes through one or more lenses to produce an enlarged image of the object or speciman being viewed
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TEM
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transmission electron microscope
produces a stream of electrons that passes through a specimen and strikes a floresent screen |
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SEM
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scanning electron microscope
enables biologists to see a detailed three dementional image of a cell surface |
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STM
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Scanning Tunneling Microscope
uses a needle like probe to measure differences in voltage do to electrons leaking or tunneling out of the surface of the object being viewed |
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ER
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endoplasmic reticulum
extensive system of internal membranes |
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Goigi apparatus
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the packeging and distributing center of the cell.
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