The active transport of 'Ca' is regulated by _______ which is synthesized in kidneys:: (A) Cholecalciferol, (B) Ergosterol, (C) 25-OH cholecalciferol, (D) 1, 25-di OH-Cholecalciferol
Answer is D. Ans. D. 1, 25-di OH-Cholecalciferol1,25-DHCC is Vitamin D. It is synthesized in the body. The reactions takes place in the liver and kidney. Vitamin D is also known as a prohormone. It helps in the transport of calcium against the electrochemical gradient to promote mineralization of bones.