Answer:
Animal cells also take in and lose water by osmosis. They do not have a cell wall, so will change size and shape when put into solutions that are at a different concentration to the cell contents. Red blood cells lose water and shrink in a concentrated solution. They swell and burst in a solution that is too dilute.
A. The cold cream will drop to the bottom of the cup. When it warms, some of it will rise back to the surface.
Answer:
C. Because it's gravity affects the motion of objects around it.
A. Water will go into the cell through the cell membrane by simple diffusion.
b. A protein will go through a channel protein that carries the protein inside the cell.
c. A Magnesium ion will pass through using charged channels.
d. A simple sugar will be carried by transmember proteins or transporters.
e. An invading bacterium will force its way into the cell by passive diffusion.
f. A lipid will be allowed to pass by lipid layers in the cell membrane.
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