MS.Jarret
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| Cell | the smallest structural and functional unit of an organism, typically microscopic and consisting of cytoplasm and a nucleus enclosed in a membrane. Microscopic organisms typically consist of a single cell, which is either eukaryotic or prokaryotic.
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| Cell theory | that living organisms are made up of cells, that they are the basic structural/organizational unit of all organisms, and that all cells come from pre-existing cells.
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| Organelle | any of a number of organized or specialized structures within a living cell.
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| Organism | an individual animal, plant, or single-celled life form
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| Cytology | the branch of biology concerned with the structure and function of plant and animal cells.
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| Nucleus | a dense organelle present in most eukaryotic cells, typically a single rounded structure bounded by a double membrane, containing the genetic material.
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| Diffusion | the net passive movement of particles (atoms, ions or molecules) from a region in which they are in higher concentration to regions of lower concentration.
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| Osmosis | when a substance crosses a semipermeable membrane in order to balance the concentrations of another substance.
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| Active Trasnport | the movement of ions or molecules across a cell membrane into a region of higher concentration, assisted by enzymes and requiring energy.
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| Phagocytosis | phagocytes ingest or engulf other cells or particles
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| Pinocytosis | the ingestion of liquid into a cell by the budding of small vesicles from the cell membrane.
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| Semi-permeable | allowing certain substances to pass through it but not others, especially allowing the passage of a solvent but not of certain solutes.
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| Mitochondria | a minute particle consisting of RNA and associated proteins found in large numbers in the cytoplasm of living cells. They bind messenger RNA and transfer RNA to synthesize polypeptides and proteins.
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| Ribosomes | a rigid layer of polysaccharides lying outside the plasma membrane of the cells of plants, fungi, and bacteria. In the algae and higher plants it consists mainly of cellulose.
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| Cell Wall | an infective agent that typically consists of a nucleic acid molecule in a protein coat, is too small to be seen by light microscopy, and is able to multiply only within the living cells of a host.
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| Viruses | a minute cylindrical organelle near the nucleus in animal cells, occurring in pairs and involved in the development of spindle fibers in cell division.
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| Centrioles | a plastid that contains chlorophyll and in which photosynthesis takes place.
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| Chloroplasts | a principal taxonomic category that ranks above class and below kingdom.
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| Phylum | a network of membranous tubules within the cytoplasm of a eukaryotic cell, continuous with the nuclear membrane. It usually has ribosomes attached and is involved in protein and lipid synthesis.
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| Endoplasmic Reticulum |
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Created by:
Mchicken
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