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Definition
| Device which alters the size of the opening through which light passes and adjusts the intensity of light in the field of view. |
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| Basic unit of all living things. |
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| A flexible covering that surrounds the cell and separates cytoplasm from the external environment; also surrounds most organelles. |
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| A rigid, protective layer that lies outside the cell membrane in plant cells, fungi, and many protistss |
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| Membrane-bound organelle in which photosynthesis occurs. |
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| Microscope component that focuses light on objects under study. |
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| Finger-like projections formed by the inner membrane of the mitochondrion. |
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| Term used to refer to contents of a cell other than the nucleus |
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| Extent to which microscopic objects can be visualized in the third dimension. |
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| Membranous sacs and channels in cells, often bearing ribosomes (designated "rough ER" if ribosomes are present and "smooth ER" if there are no ribosomes) |
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| Area of an object which is visible under microscopic examination. |
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Definition
| Plane which is in focus for an object under microscopic examination. |
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| Disc-like structures inside chloroplasts |
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| Membrane-bound organelle in which materials are assembled and modified prior to secretion from the cell. |
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| Membrane-bound organelle in which metabolism occurs |
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| Dense cluster of proteins and nucleic acids inside nucleus where ribosomes are formed. |
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| Membrane-bound organelle which contains chromosomes and nucleolus |
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Definition
| Magnifying lens on microscope |
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Definition
| Term used to refer to membrane-bound structures and other bodies in the cytoplasm. |
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Definition
| Cell membrane molecule composed of fatty acids and phosphate groups |
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Definition
| Large molecules composed of chains of amino acids; provide structural support in cell membranes and act as enzymes. |
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| Small particle of proteins and nucleic acids which is the site of protien synthesis. |
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| The fluid inside a chloroplast, but surrounding grana |
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Definition
| Membrane-bound sac of fluid in cytoplasm; often quite large in plant cells |
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