1.3B 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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| concentration gradient | difference in concentration of molecules inside and outside the plasma membrane
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| diffusion | movement of molecules rom higher to lower concentration
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| facilitated diffusion/transport | molecules enter carrier, combine with carrier, cause a change in shape of the carrier which allows molecule's release on other side of carrier
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| hypertonic solutions | solutions that cause cells to shrink or shrivel due to loss of water. (adding salt)
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| hypotonic | solutions that cause cells to swell or burst due to intake of water
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| isotonic solutions | makes no change to water content of cell as is same.
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| lysis | shrinking of cells due to removal of water
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| osmosis | movement of water across differentially permeable membrane due to concentration differences.
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| osmotic pressure | the force that causes water to move in that direction.
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| passive transport | diffusion or facilitated transport. tend to move from higher to lower concentration.
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| turgor pressure | in plants, pressure between cell wall and plasma membrane to maintain structure
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| plasmolysis | when plasma membrane pulls away from the cell wall as the large central vacuole loses water.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
gwynneth
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