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Definition
| the ability of a cell or organism to regulate its internal conditions despite changes to the environment |
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Definition
| of a substance describes whether the substance is an acid or basic |
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Definition
is a substance that is sour
pH is less than 7 |
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Definition
is a substance that can be identified by a bitter taste
pH is greater than 7 |
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Term
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Definition
| sum total of the body's chemical activities |
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Term
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Definition
| is the movement of particles from an area where their concentration is higher to an area where their concentration is lower |
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Term
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Definition
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Term
selectively permeable membrane
or semipermeable |
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Definition
| allows some molecules to cross easily while other molecules cannot pass easily |
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Term
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Definition
| using a protein molecule to allow materials to pass from high to low concentration |
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Term
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Definition
| difference in concentration that makes diffusion possible |
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Term
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Definition
cells will shrivel
less water on outside |
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Term
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Definition
cells will swell
more water on outside |
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Term
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Definition
cell will remain the same
same amount of water inside and outside cell |
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Term
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Definition
| movement of materials into and out of the cell without the use of energy |
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Term
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Definition
| movement of materials against a concentration gradient with the use of ATP |
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