<span>The reason behind the lipids which are able to function as protective barriers in cells is that lipids do not dissolve in water.
If lipids dissolve in water, they will not be able to function as protective barriers in cells. N</span><span>ucleic acids, proteins, lipids and carbohydrates are the four types of macro-molecules in the cell.</span>
<span>The genetic change in a population or species over many generations is evolution. :)</span>
<span>Good Morning!
The entry and exit of substances from cells occurs through the plasma membrane. The control of external and internal water balance is performed through the osmosis process. In osmosis, water moves according to solute concentrations: always from the lowest concentration to the highest concentration.
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Answer:
Cells swell as water moves into them. Cells swell as water moves out of them. Cells shrivel as water moves out of them.
hope this answer is correct