what did robert hook use to observe the cell ................
cork
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5
spider climbing the windows due to
van dar waals force
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What kind of diffusion that substances uses transport proteins to move the substance across the plasma membrane
Facilitated diffusion
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The measure of concentration of H+ in a solution
pH
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A cell was first discovered by
Robert hook
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The diffusion of water across a selectively permeable membrane
Osmosis
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lifesaver
Give 20 points!
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fairy
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5
10
15
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25
fairy
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5
10
15
20
25
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kind of transport that diffuse down concentration gradient From (high) concentration to (low) concentration
Passive transport
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are molecules made from repeating units of identical or nearly identical compounds called monomers that are linked together by a series of covalent bonds
Polymers
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star
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shark
Other team loses 5 points!
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Are also called organic compounds
Macromolecules
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adhesion property create
capillaries action
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is another name for a homogeneous mixture
Solution
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it exists in the hard-outer shells of shrimp, lobsters, and some insects
Chitin
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............................... are solid at room temperature