some important molecules are too large to pass through the cell membrane.
Hope this helps!
-Payshence
Answer:
It is a mixture
Explanation:
It is a mixture because a mixture contains tow or more elements
But a compound is made up of atoms
With out genes we wouldn't look, talk, or have our own option's
It would be osmosis because osmosis is the diffusion of water through a selective membrane.
Answer:
Valence
Explanation:
In an atom, the electrons at the outermost energy level is called as valence electrons. It is the valence electrons which participates and interacts with the other atoms and form bonds. The valence electrons of an atoms are important as they depict the chemical properties of an element.
Thus the valence electrons resides the outermost shell and surrounds the atomic nucleus.
