Answer:
plant cells have a rigid cell wall that helps it keep shape and animal cells don't
Answer:
if a molecule is too large it cannot pass. also it depends on the concentration of a specific substance inside the cell. similarly, if a molecule is polar it cannot penetrate the phospholipid bilayer.
there are proteins that work as channels and pumps that allow these molecules to pass
Explanation:
Answer:
where is the sping neap tide worksheet
Answer:
gamma rays hope this helps
Explanation:
Answer: flooding, high winds, Avalanches, earthquakes
Explanation:
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