78 cards
____ is metabolized to calcitriol in the kidneys.
Vitamin D (cholecalciferol) is metabolized to ____ in the kidneys.
Vitamin D (cholecalciferol) is metabolized to calcitriol in the ____.
Calcitriol regulates ____ homeostasis in the intestines.
Calcitriol regulates calcium and phosphorus homeostasis in the ____.
____ regulates calcium and phosphorus homeostasis in the intestines.
Calcitriol increases ____ absorption.
Calcitriol ____ calcium and phosphate absorption.
A deficiency of ____ causes rickets.
A deficiency of vitamin D causes ____.
____ act as biological antioxidants.
Vitamin E (tocopherols) act as ____.
Vitamin E (tocopherols) have aromatic rings, which ____
Vitamin E (tocopherols) have ____, which destroys free radicals, preventing oxidative damage.
____ is important for formation of prothrombin, a clotting factor.
Vitamin K (phylloquinone and menaquinones) is important for formation of ____.
____ performs posttranslational modifications on a number of proteins, creating calcium-binding sites.
Vitamin K (phylloquinone and menaquinones) performs posttranslational modifications on a number of proteins, creating ____.