science grade 7
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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| Cell membrane | a covering that surronds the cell and controls materials going in and out
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| nucleus | controls the cells activities and directs protein manufacturing in the cell. holds the chromosomes made of DNA and is surronded by a nucleur membrane
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| chromosomes | made of DNA and carries the blue print for all of the cells activities
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| cytoplasm | material between organelles, jelly-like substance that moves food and water around the cell
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| cytoskeleton | a web of protein serves as a muscle and skeleton
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| endoplasmic reticulum | tube-like canals(rouds)thatransport protein around the cell. rough ER is covered with ribosomes, smooth ER makes lipids and breaks down toxic materials
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| ribosomes | protein making factories, frequently attached to endoplasmic reticulum, but can also float freely in the cytoplasm
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| golgi complex | package protein to send to other places within and out of the cell. Hormones and enzymes are packaged here as well
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| mitchondria | power house of the cell. sugar is broken down and with oxygen, energy is stored as ATP and released when needed
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| Vacuoles | stores water, food, and waste until it is removed from the cell. Also aids in digestive enzymes in a plant cell
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| lysossomes | contain digestive enzymes that break down food and protect the cell from foreign invaders (mainly found in animal cells)
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| Chloroplasts | PLANT CELLS ONLY! green organelles that contain chlorophyll. the lace where photosynthesis takes place
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| Cell wall | PLANT CELLS ONLY! strength and structure to cell. Made of cellulose, a non-living material, cell membrane is inside cell wall
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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:
lstmartin01
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