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| Light passes through one or more lenses to produce an enlarged image of a specimen. |
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| Forms an image of a specimen using a beam of electrons rather than light. |
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| The quality of making an image appear larger than its actual size. |
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| A measure of clarity of an image. |
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| Scanning Tunneling Microscope |
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Definition
| Uses a needle-like probe to measure differences in voltage caused by electrons that leak, or tunnel, from the surface of the object being viewed. |
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Definition
1. All living things are made of one or more cells.
2. Cells are basic units of structure and functions in organisms.
3. All cells arise from existing cells. |
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| The outer boundary of a cell. |
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| System of microscopic fibers. |
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| Cellular structures on which proteins are made. |
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| A single-celled organism that lacks a nucleus and other internal compartments. |
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| Surrounds the cell membrane and provides structure and support. |
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| Long threadlike structures that protrude from the cell's surface and enable movement |
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| An organism whose cells have a nucleus. |
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| An internal compartment that houses the cell's DNA. |
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| A structure that carries out specific activities in the cell. |
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| Short hairlike structures that protrude from the surface of some eukaryotic cells. |
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| A lipid made of phosphate group and two fatty acids. |
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| A double layer in which the phospholipids are arranged. |
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Definition
| An extensive system of internal membranes that move proteins and other substances through the cell. |
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| A small membrane-bound sac that transport substances in cells. |
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Definition
| A set of flattened membrane-bound sacs that serve as the packaging and distribution center of the cell. |
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| Small, spherical organelles that contain the cell's digestive enzymes. |
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| An organelle that harvest energy from organic compounds to make ATP, the main energy currency of cells. |
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| Organelles that use light energy to make carbohydrates from carbon dioxide and water. |
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| Stores water and may contain many substances, including ions, nutrients, and waste. |
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