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Cards In This Set
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The first cell that was seen under a microscope was a
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Cork cell
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One portion of the cell theory states that
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All living organisms are made up of cells
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The cell theory was proposed by
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Theodor Schwann and Matthisas Schleiden
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The idea that all living cells come from preexisiting living cells was proposed by
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Rudolf Virchow
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The phospholipid molecues of most membranes have
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A hydrophilic head and two hydrophobic tails
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Hydrophobic reactions of phospholipids may produce clusters of their fatty acid tails, which form
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A lipid bulayer
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Unsaturated tails of lipids
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Have kinks in them and lessen the interaction between adjacent fat
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The relative impermeability of membranes to water-soluble molecues is a result of the
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Presences of phospholipids in lipid bilayer
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Which statement is not true
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Hydrophilic substances have an easier time passing through membranes than hydrophobic substances do
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Which of the following membranes proteins is responsible for binding hormones that can switch on a cell
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Receptor proteins
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The maximum power of magnification of a light microscope is
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2,000
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The highest magnification generally used to study cells is provived by
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The transmission of elctron microscope
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Which microscope has the highest magnification
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Transmission electron
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Which of the follwing are made of two subunits and are composed of RNA and protein
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Ribosomes
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Organelles composed of a system of canals, tubes and sacs that transport molecues inside the cytoplasm are
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Endoplasmic reticula
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