Key Vocabulary for the Cells Unit
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| cells | the units that all living things are made of
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| cell membrane | a thin, flexible covering that gives the cell shape and allows food, water, and gases to enter the cell and waste to exit
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| cell wall | a stiff structure outside the cell membrane that gives plant cells structure and extra strength
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| cytoplasm | a gel-like material that surrounds the internal parts of a cell
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| organelles | a structure that has a specific task within the cell
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| nucleus | the control center of the cell that tells the cell and organelles what to do
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| chloroplasts | an organelle found in plant cells that makes food from sunlight, water, and carbon dioxide
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| microscope | an instrument or tool used to look at very small objects
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| magnification | the action of making something appear larger or magnified
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| structure | the way something is put together or organized
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| function | the basic task that something is assigned to do
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| mitochondria | an organelle that provides energy to the cell also known as the cell's power plant
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| vacuoles | an organelle that stores water, food, and waste until the nucleus tells it to release whatever it is storing
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| photosynthesis | the process in which plant cells change sunlight into energy
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| chlorophyll | the chemical inside the chloroplasts that is used to change energy from sunlight into food
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| single cell | an organism made of one cell
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| multi-cellular | an organism made of more than one cell
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| *diffusion | process that spreads substances through a gas or liquid
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| *transportation | the action of moving something from one place to another
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| *osmosis | a type of diffusion that allows water to pass a barrier, but bars other substances
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| *Golgi bodies | an organelle that helps transport the cell
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| *permeable | allowing liquids or gases to pass through
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| *specialized cells | cells that have a specific job or tasks
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| *prokaryotic | a single-celled organism that does not have a nucleus
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| *eukaryotic | an organism that cells contain a nucleus and other organelles
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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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