841. A deficiency of thiamin produces the disease known as
A. beri-beri
B. scurvy
C. cataract
D. anemia
842. Acyl carrier protein (ACP) plays an important role in the biosynthesis of
A. fatty acids
B. amino acids
C. sugars
D. carbohydrates
843. Vitamin B12 (Cobalamin) is only synthesized by
A. fishes
B. micro-organisms
C. plants
D. animals
844. Which of the following are reduced coenzymes?
A. NADH and FADH2
B. NAD+ and FAD
C. ATP and GTP
D. Coenzyme A and ubiquinone
845. The absence of ascorbic acid in the human diet gives rise to
A. rickets
B. pernicious anemia
C. cataract
D. beri-beri
846. Vitamins are essential because the organism
A. can’t synthesize these compounds at all
B. can synthesize these compounds partially
C. can’t synthesize these compounds in the adequate amounts
D. none of the above
847. The prosthetic group biotin is a carrier of which type of molecule?
A. Activated carbon dioxide (CO2)
B. Ammonia
C. Methyl group
D. Sulfhydryl group
848. Lipoic acid exists in
A. oxidized form
B. reduced form
C. oxidized and reduced form both
D. none of these
849. Vitamin B12 is useful in the prevention and treatment of
A. pernicious anemia
B. scurvy
C. cataract
D. beri-beri
850. An example of a digestive hormone is
A. lipase
B. pepsin
C. amylase
D. gastrin