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Definition
Microscope that uses a beam light passing through one or more lenses to magnify an object
Magnifies up to 2000X |
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Definition
microscope that focuses a beam of electrons to to magnify objects
Magnifies up to 200,000X |
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| increase of an object's apparent size by using lenses and mirrors |
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| in microscopes, the ability to form images with fine detail |
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| Scanning Tunneling Microscope |
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Definition
| uses a needle-like probe to measure differences in voltage caused by elecrons that leak, or tunnel, from the surface of the object being viewed |
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Definition
1. All living things are made up of cells.
2. Cells are the basic units of all organisms.
3. All cells arise from existing cells.
***AND***
Each cell in a multicellular organism as a specific job. |
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Definition
| Phospholipid layer covering a cell's surface; acts as barrier between inside and outside of cell |
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| liquid inner region of cell where the cytoskeleton and all other organelles, excepting the nucleus, are included. |
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| cytoplasmic network of protein filamnts that plays an essential role in cell movement, shape, and division. |
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| cell organelle composed of RNA and protein, site of protein synthesis |
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| Single celled organism without a Nucleus adn cell organelles |
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| Organism with a nucleus and other organelles |
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PLANTS ONLY
rigid structure surrounding surrounding cell membrane; provides support |
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| long hair like sturcture that grows out of cell and enables cell movement |
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| membrane bound organelle containing cell's DNA and takes part in processes such as growth, metabolism, and reproduction |
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Definition
| one of the small bodies found in the cytoplasm of a cell; specialized to perform a specific function |
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| hairlike structure arranged in tightly packed rows that projects from the surface of some cells |
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Definition
| lipid containing phospherous and that is a structural component in cell membranes |
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Definition
| basic stucture of cell membrane, composed ot two layers of phospholipids |
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| system of membranes found in cell's cytoplasm, assists in production/processsing of of protein and production of lipids |
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Definition
small cavity or sac containing materials in a eukaryotic cell
Forms when part of a membrane surrounds materials to be taken in the cell or transported into the cell. |
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Definition
| cell organelle that helps package materials to be transported out of cell |
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Definition
| organelle containing digestive enzymes |
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Definition
EUKARYOTIC CELLS:
surrounded by two membranes, is the site of cellular respiration, which produces ATP (energy) |
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Definition
PLANT AND ALGAE CELLS
Where photosynthesis occurs |
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| cavity or sac that contains air or partially digested food, large in plants |
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| recognizes and binds to substances outside of cell |
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| carries substance across cell membrane |
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