cava bio 204 s1.d40 3.09 Active Transport
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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| The [-able] cell membrane regulates the movement of materials into and out of a cell. | The semipermeable cell membrane regulates the movement of materials into and out of a cell.
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| If the cell has to actually do something (expend energy) to transport something across its membrane, that's called *[...] Transport*. | If the cell has to actually do something (expend energy) to transport something across its membrane, that's called *Active Transport*.
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| In electrical terms, a 'potential' is a difference in [...] between two things. | In electrical terms, a 'potential' is a difference in charge between two things.
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| Nerve cells maintain an electrical 'potential' (a charge difference) between the outside and inside of the cell by [-ly] transporting positive ions outside the cell. | Nerve cells maintain an electrical 'potential' (a charge difference) between the outside and inside of the cell by actively transporting positive ions outside the cell.
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| As a nerve cell produces neurotransmitters , it encases them in membrane-bound structures called [-s]. These are like the barn where they keep race horses before the race.... just a handy way to keep them nearby until it's race time. | As a nerve cell produces neurotransmitters , it encases them in membrane-bound structures called vesicles. These are like the barn where they keep race horses before the race.... just a handy way to keep them nearby until it's race time.
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Created by:
mr.shapard
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