Chapter 7.4
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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Diffusion | The random movement of particles from high concentration to low concentration
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Dynamic equlibrium | Continuous movement but no overall change.
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Facilitated diffusion | Uses transport proteins to move other ions and small molecules across the cell membrane.
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osmosis | The diffusion of water across a selectively permeable membrane.
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Isotonic Solution | When a cell is in a solution that has the same concentration of water and solutes as the cytoplasm
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Hypotonic Solution | If a cell is in a solution that has a lower concentration of solute
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Hypertonic solution | The concentration of the solute outside of the cell is higher than the inside.
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Active transport | The movement of substances across the plasma membrane against a concentration gradient: requires energy
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Endocytosis | The process by which a cell surrounds a substance in the outside environment, enclosing the substance in a portion of the cell membrane.
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Exocytosis | The secretion of materials at the cell membrane
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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.
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.
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:
Kabrey
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