Cell structures
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Facilitated | a form of passive transport where a channel lets a molecule flow down its concentration gradient through a membrane; _____ diffusion
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| Rough ER | A highly folded membrane that is the site of protein and lipid synthesis
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| Cell Membrane | lipid bilayer surrounding cell, regulating what enters and exits the cell
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| Cytoskeleton | A framework for the cell within the cytoplasm to help the cell and its internal parts move
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| Mitochondria | Membrane-bound organelle that makes energy available to the rest of the cell
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| Flagella | Long projection from cell surface which aids in locomotion and feeding; usually 1 or 2
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| Cilia | Short projection from cell surface that aid in locomotion and feeding.
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| Golgi Apparatus | Flattened stack of tubular membranes that modify, sort and package proteins and other substances into vesicles for distribution.
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| Nucleus | Control center of the cell that contains coded directions for the production of proteins and cell division
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| Chloroplast | Double membraned organelle which converts sunlight, water and carbon dioxide into glucose
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| Prokaryotes | Single-celled organisms without membrane bound organelles or nucleus
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| Centrioles | Paired organelles that are important for cell division; located near nucleus
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| Ribosome | synthesize proteins
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| Lysosome | Vesicle that contains digestive enzymes for the breakdown of excess or worn-out cellular substances
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| Cell Wall | Inflexible barrier providing protection and structure in plants
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| Eukaryotes | cells containing membrane bound organelles
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| Nucleolus | site in nucleus of ribosome production
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| Respiration | burning of sugar with oxygen to yield carbon dioxide and water
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| Photosynthesis | conversion of sunlight, water and carbon dioxide into sugar
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| Phospholipid bilayer | double layer separating inside from outside
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| Cell | smallest unit of life known to science
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| Vesicle | sac for transporting proteins and chemicals both within and to the cell membrane for release by the cell
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| Smooth ER | Lipid and Carbohydrate synthesis as well as detoxification in Liver
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| Central Large Vacuole | large central storage place found in plants only; helps plants stand tall
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| Vacuole | Storage sac within the cell
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