Question 171 The activity of tocopherols is destroyed by? A) Oxidation B) Reduction C) Conjugation D) All of these No Details
Question 173 Vitamin D2 is also said to be? A) Activated ergosterol B) Fergocalciferol C) Viosterol D) All of these No Details
Question 174 Continued intake of excessive amounts of vitamin A especially in children produces? A) Irritability B) Anorexia C) Headache D) All of these No Details
Question 175 The normal concentration of vitamin A in blood in I.V/dl? A) 20–55 B) 24–60 C) 30–65 D) 35–70 No Details
Question 176 Lumirhodopsin is stable only at a temperature below? A) –35°C B) –40°C C) –45°C D) –50°C No Details
Question 177 Lumirhodopsin is stable only at a temperature below? A) –35°C B) –40°C C) –45°C D) –50°C No Details
Question 178 The non-protein part of rhodopsin is? A) Retinal B) Retinol C) Carotene D) Repsin No Details
Question 179 The performed Vitamin A is supplied by foods such as? A) Butter B) Eggs C) Fish liver oil D) All of these No Details
Question 180 The percentage of Vitamin A in the form of esters is stored in the liver? A) 80 B) 85 C) 90 D) 95 No Details