The phrase “too large or too charged” is a helpful way to remember what kinds of molecules need to cross the cell membrane via an intermembrane protein, rather than by crossing directly through the phospholipid bilayer. Describe why some molecules can pass directly through the phospholipid bilayer, while those that are too large or too charged need to pass through a membrane protein.
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Need the diagram below, which is not drawn to scale, shows the position of the earth, moon, and sun. what type of eclipse occurs when the earth, moon, and sun are lined up in the order shown? a. planetary eclipse b. solar eclipse c. martian eclipse d. lunar eclipse
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The phrase “too large or too charged” is a helpful way to remember what kinds of molecules need to c...
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