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Definition
| All living things are made up of cells |
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Definition
| membrane-bound subunits of cells |
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Definition
| Common, light passes through lenses |
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Term
| Transmission Electron Scope (TEM) |
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Definition
| Specimen sliced thin; electron beam passes through. Internal structure shown. |
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| Scanning Electron Scope (SEM) |
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Definition
| Electron beam reflects off specimen, resulting in a 3D surface image. |
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Definition
| No internal membranes; only organelles are ribosomes |
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Definition
| Membrane= boundary between cell and membrane |
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Definition
| A round structure inside a cell's nucleus consisting of RNA and proteins |
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Definition
| Separates the contents of a cell from the outside environment |
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Definition
| The model used to describe the structural features of biological membranes. |
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Definition
| The structure within the nucleus of cell that is connected to DNA strands which are bonded to proteins |
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Definition
Structure: No membrane; large and small subunits
Function: Site of protein synthesis |
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Definition
| The substance that is between the cell membrane and the nuclear envelope. |
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Definition
| The area within a prokaryotic cell where genetic material is located. |
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Definition
| Allows organelle movement, long fibers |
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Definition
Structure: Double membrane, contains chromosomes
Function: protection of DNA/genetic material |
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Definition
| A double layered membrane separating the contents of a cell from the cytoplasm. |
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Definition
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Definition
| in nucleus, contains DNA, proteins etc. |
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Term
| Rough Endoplasmic Reticulum |
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Definition
Structure: Membrane bound channels with ribosomes
Function: lipid synthesis and modification |
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Term
| Smooth Endoplasmic Reticulum |
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Definition
Structure: Membrane bound channels without ribosomes
Function: Lipid synthesis and modification |
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Term
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Definition
| composed of organelles within a cell suspended in cytoplasm |
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Definition
| membranous sac that stores and transports food/recycled material |
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Definition
Structure: Stack of membrane flattened sacks at end of Endoplasmic reticulum
Function: packaging/modification of proteins/lipids |
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Definition
| organelles containing many digestive enzymes |
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Term
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Definition
Structure: large, membrane bound sac
Function: with cell wall=structural component in plant cells |
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Term
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Definition
Structure: Double membrane, inner=cristae
Function: Converts chem. energy of foods into chem. energy of ATP |
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Term
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Definition
Structure: Double membrane (inner=thylakoid, stacks=grana) contain chlorophyll
Function: Site of photosynthesis in plant cells |
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Definition
| The theory of prokaryotes engulfed in a eukaryotic cell |
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Definition
Structure: linear, made of protein
Function: maintains cell shape |
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Definition
| thin protein tubes used to make structures in cellar movement (flagella and cilia) |
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Term
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Definition
| Allows organelle movement, many small fibers |
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Definition
Structure: surrounds plasma membrane in plant cells (cellulose)
Function: provides structure for plant cells |
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Term
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Definition
| 1st microscope, "father of modern microscopy" |
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Term
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Definition
| discovered the first organelle (nucleus) 1st to use a stain/dye |
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Definition
| came up with the term "cell" |
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