Chemistry, 26.09.2019 16:10 QuestionsAnsweredNow
1. (3 pts) in chapter 8 (the water soluble vitamins), section 8.1 (what are vitamins) discusses absorption, storage and excretion of vitamins, both water- and fat-soluble. how readily a vitamin can be absorbed and utilized by the body is called its fat-soluble vitamins require in the diet for absorption while water soluble vitamins, which include all b vitamins and vitamin dissolve in water and depend on energy-requiring transport systems or need to be bound to specific molecules in the gi tract in order to be absorbed in the small intestine. once absorbed into the blood, vitamins must be transported to the cells, mostly by being bound to for transport. fat soluble vitamins, which include vitaminsand are incorporated into for transport from the intestine. with the exception of vitamin b12, the water-soluble vitamins are easily excreted from the body in the urine. in contrast, fat-soluble vitamins are stored in the and and cannot be excreted in the urine. therefore it takes longer to develop a deficiency of fat-soluble vitamins when no longer provided in the diet. because they are not stroed to any great extent, supplies of water-souble vitamins are rapidly depleted and must be consumed regularly in the diet, even though it may take more than a few days to develop deficiency symptions, even if absent from the diet.
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Chemistry, 22.06.2019 14:20, montanolumpuy
7. in the cycle, a virus integrates its dna into the host's dna, and its dna is replicated when the host dna is replicated. a. infectious b. retroviral c. lysogenic d. lytic
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Chemistry, 22.06.2019 21:00, lucyamine0
As we move from left to right across the periodic table, what is the general trend? a) atomic radii increase. b) electronegavitiy decreases. c) nuclear shielding increases. d) metallic character decreases.
Answers: 1
1. (3 pts) in chapter 8 (the water soluble vitamins), section 8.1 (what are vitamins) discusses abso...
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