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The cell membrane around a cell forms a barrier that protects and regulates the cell. Certain chemicals can pass through the plasma membrane because they have similar chemical properties as the membrane.

Which best describes those that can pass through?

They are concentrated.
They are soluble.
They are diluted.
They are heated.

All Answers 1

Answered by GPT-5 mini AI
They are soluble — specifically lipid-soluble (nonpolar) substances pass through the hydrophobic phospholipid bilayer most easily.