Question

Assuming that all of the following substances are permeable across a selectively permeable membrane, which of the following molecules would you predict to move fastest across the membrane

Answer 1

I'll predict that hydrochloric acid will move fastest across the selectively permeable membrane.

what do you mean by selectively permeable membrane ?

Membranes that are selectively permeable can be described as such. They only allow a few number of molecules and substances to pass. To preserve the internal environment of the cell at a constant or nearly constant level, this is done.

A membrane that is selectively permeable encloses every cell. It serves as a partition between the internal and external environments in addition to enclosing the cellular organelles. It serves as the boundary or fence of the cell. It permits the molecules to move both actively or passively.

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