The permeability of the wall of the collecting tubules is regulated by:

What is the effect of aldosterone on the renal tubules?

Given below are two statements.
Statement $I$: Macula densa and $JG$ cells together form the $JG$ apparatus.
Statement $II$: The $JG$ apparatus plays an important role in reabsorption of glucose within kidney.
In the light of above two statements,choose the correct answer from options given below.

Which of the following inhibits diuresis?

Which of the following statements are correct?
$A$. An excessive loss of body fluid from the body switches off osmoreceptors.
$B$. $ADH$ facilitates water reabsorption to prevent diuresis.
$C$. $ANF$ causes vasodilation.
$D$. $ADH$ causes increase in blood pressure.
$E$. $ADH$ is responsible for decrease in $GFR$.
Choose the correct answer from the options given below:

Which one of the following is both a hormone and an enzyme?