Melting ice caps and glaciers
It seems that you have missed the given option for this question but anyway, here is the answer. The statement that would not be a valid reason for a cell's need to have these control molecules present is that <span>they make it impossible for the cell cycle to occur out of order. Hope this is the answer that you are looking for. </span>
Hello :), nitrogen have 7 protons and 7 electrons.
Hi,
The H<span>ypothalamus controls the pituitary glands.
The correct answer is a.
Hope this helps you.</span>
