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3 votes
Which of the following is a true statement about simple diffusion?

occurs from a high to a low concentration.
occurs from a low to a high concentration.
O moves large particles into or out of the cell through a protein channel
requires energy to move substances.

1 Answer

4 votes

Answer: A. occurs from a high to a low concentration.

Step-by-step explanation:

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User Asim Khan
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