Which molecules control movement of substances through cell membranes? carbohydrates atp dna proteins

Answer;

-Proteins

Explanation;

-Proteins embedded in the cell membrane help control which substances exit and enter the cell. Channel proteins allow molecules to move from high concentration to low concentration.

-Cell is a fabulous machine that tightly controls what enters and exits. Part of how it does this is through a specialized cell membrane that only lets very small, hydrophobic molecules pass directly through it. Other molecules however, need a helper to get through the membrane, these molecules are called protein carriers.

chemical because it warmed up which involves temperature and it bubbled which includes changing

mark me brainiest

thinking it would be physical characteristics