Vitamins and Coenzymes Questions

• A deficiency of thiamin produces the disease known as
• Which of the following are reduced coenzymes?
• Vitamin K1 was first isolated from alfalalfa and has the phytyl side chain consisting of
• Biotin occurs mainly in combined forms bound to protein through
• An early sign of retinol deficiencies in man is
• Dihydroorotate dehydrogenase contains
• Which of these is a symptom of vitamin A deficiency?
• Which of these is a vitamin A precursor?
• Lipoic acid is a co-factor of the
• An enzyme, L-folate reductase reduces folic acid to
• A deficiency of Vitamin K results in a decreased level of
• A deficiency of niacin causes
• Who discovered vitamin C (ascorbic acid)?
• An example of a digestive hormone is
• Which of these molecules is vitamin H?
• The vitamin riboflavin, which occurs as a yellow pigment in egg yolk and milk become
• Ascorbic acid acts as an
• In one iron-metalloflavoprotein, the iron is present as a
• What compound of raw egg white causes a syndrome similar to vitamin B deficiency?
• Vitamin B12 (Cobalamin) is only synthesized by