Is a proposition that has not been empirically proven yet, and that attempts to describe or justify a system or phenomenon.
need options so i cant answer
<span>is warmer then the north and the south poles</span>
Answer;
-Gap junctions
Explanation;
-Gap junctions are a specialized intercellular connection between a multitude of animal cell-types. they are organized collections of protein channels in cell membranes that allows ions and small molecules to pass between adjacent cells.
-Gap junctions allow the exchange of ions, second messengers, and small metabolites between adjacent cells and are formed by two unrelated protein families, the pannexins and connexins.
