Biology Chapter 5-2
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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| active transport | the movement of chemical substances usually across the cell membrane , against a concentration gradient; requires cells to use energy
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| sodium-potassium pump | a carrier of protein that uses ATP to actively transport sodium ions out of a cell and potassium ions into the cell
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| endocytosis | the process by which a cell membrane surrounds a particle and encloses the particle in a vesicle to bring the particle into the cell
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| vesicle | a small cavity or sac that contains materials in eukaryotic cell; forms when part of the cell membrane surrounds the materials to be taken into the cell or transported within the cell
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| Pinocytosis | a method of active transport across the cell membrane in which the cell takes in extracellular fluids
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| phagocytosis | the process by which a cell engulfs large particles or whole cells, either as a defense mechanisms or as a means to obtain food
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| phagocyte | a cell that ingest and destroys (digests) foreign matter or microorganisms
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| exocytosis | the process by which a substance is released from the cell through a vesicle that transports the substance to the cell surface then fuses with the membrane to let the substance out
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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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