Answer:
speed up the rate of virtually all of the chemical reactions that take place within cells.
Answer: The number of protons in one atom of an element determines the atom's identity, and the number of electrons determines its electrical charge.
Explanation:
Substances that enter the cell without the expense of cellular ATP, but are too large to directly pass through the membrane, use cesicles in order to gain access to the inside of the cell.
Answer:
Answer D is the correct option among 4
