In the cell membrane are ______ molecules that help move certain substances in and out of the cellhttps://go-math-science.com/biology/cell-structure/movement-through-the-cell-membrane/in-the-cell-membrane-are-______-molecules-that-help-move-certain-substances-in-and-out-of-the-cellhttps://go-math-science.com/@@site-logo/logo-new.png
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In the cell membrane are ______ molecules that help move certain substances in and out of the cell