Vitamins and Coenzymes — Flashcards

_____ is a hormone that increases the production of 1,25-(OH)2 D3 via increased 1-hydroxylase activity

Vitamin _____ is activated by the enzyme epoxide reductase in the liver

_____ loading test is done to detect the deficiency of Pyridoxal phosphate

In the kidney, 25-hydroxycholecalciferol may be hydroxylated to produce _____; this compound is chemically inactive

Vitamin _____ deficiency is associated with hypocalcemic tetany

Vitamin _____ is also known as ascorbic acid

One sign of vitamin _____ deficiency is night blindness (nyctalopia)

Calcitriol increases _____ of Ca2+ and absorption of phosphate in the intestine.

Vitamin K deficiency may occur in _____ due to lack of colonic bacteria that normally synthesize vitamin K

Pyruvate dehydrogenase requires five enzymes/cofactors: 1. _____2. Lipoic acid3. Coenzyme A (B5, pantothenic acid) 4. FAD (B2, riboflavin)5. NAD (B3, niacin)