study guide for science test
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 | the basic unit of life. all living things today are made of cells or cell products.
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| cell membrane | the outer barrier of a cell.separates a cell from its enviroment.
usually composed of phosphoilpids.allows for selective passage of some molecules
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| vesicle | a membranous usually fluid-filled sac
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| organic molecule | molecules containing carbon,usually associated with living things.examples of organic molecules found in tested mediorite:hydro carbons,aminoacids, fatty acids, and protiens
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| mediorite lab | a scientist found that vecicles may have been the start of life.
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| all living things | are amde of cells,made of polymers which are made of monomers(molecules)
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| amino acids | are the monomers of protiens.
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| sugars | are the monomers ofcarbohydrates
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| fatty acids,glyceroles, and phosphates are the monomers of lipids | are the monomers of lipids
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| a limited number of elements are found in the molecules that make up all living things. | the three most common are hydrogen oxygen and carbon
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| phospholipids help make cell membranes. cell membranes are important because | they control what enters and leaves the cell and they separate cells from their enviroment.
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| there are three main parts of the definiton of life: | made of cells or contains membranes or enclosures.uses energy to grow (metabloisim).
has the ability to grow over time
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To hide a column, click on the column name.
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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:
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