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

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asked Sep 22, 2021 230k views

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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.