Which of the choices below are the most important hormone regulators of electrolyte reabsorption and secretion?

The most important hormone regulators of electrolyte reabsorption and secretion are the angiotensin II and aldosterone. Aldosterone is a mineralocorticoid hormone that is secreted by the adrenal cortex and regulates the balance of sodium and potassium in the body, while Angiotensin is any of several polypeptides that narrow the blood vessels and regulate arterial pressure.  Angiotensin II causes vasoconstriction and an increase in systemic blood pressure.

Cell division is important to single celled organisms because it allows the cells to reproduce. through cell division, cells make exact copies of themselves. when single celled organisms go through cell division, they make exact copies of themselves which is how they reproduce.