The compounds will pass directly across the membrane from inside the cell to outside the cell based on this information (D).
The flow of material through the biological membrane as a function of the concentration gradient is referred to as diffusion through the membrane.
Molecules and ions can move through the membrane from a high-concentration area to a low-concentration area.
As a result of this information, we can deduce that the substances will travel directly across the membrane from inside the cell to outside the cell (D).
Learn more about simple diffusion here:
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