Biochem - Vitamins

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Which of these vitamins are fat soluble?

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Where are vitamins absorbed in the digestive tract?

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Function of liver in absorbing vitamins?

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Where does some niacin absorption occur?

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What is absorbed in the small intestine?

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How are water soluble vitamins absorbed in the small intestine

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How are fat soluble vitamins absorbed in the small intestine?

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Where is vitamin C absorbed?

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what does chewing do?

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where is vitamin B12 absorbed?

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what is absorbed in the large intestine?

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what is released by the pancreas?

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Bioavailability refers to the amount of a nutrient that can be absorbed an utilized in the body

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What affects bioavailability of vitamins?

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Which vitamins are all co enzymes

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What do vitamins do?

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What vitamins are stored in the body?

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Where are fat soluble vitamins stored?

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What is the active form of thiamin in the body?

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Function of thiamin in the body?

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Active forms of riboflavin in the body?

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Active forms of niacin in the body?

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what are folate and folacin?

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Active form of B6 in the body?

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Symptoms of folate deficiency

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Some causes of neural tube defects?

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Spina bifida and anencephaly are two forms of neural tube defects

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What increases blood homocysteine levels?

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What may mask the early symptoms of a vitamin B12 deficiency?

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UL of folate?

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What is necessary for the maintenance of myelin?

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Which of these is not required for special handling of vitamin B12 in the digestive tract?

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What is important for the metabolism of odd-numbered fatty acids and methionine?

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What is the active form of vitamin B12?

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What can a vitamin B12 deficiency cause?

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What is B12 required for?

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What is the active form of vitamin C?

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What is the main function of ascorbic acid?

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Who in the population is highest at risk for vitamin B12 deficiency?

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*** What are some other functions of Vitamin C in the body?

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What is retinol?

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What is retinal?

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What is retinoic acid?

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What is Beta-Carotene?

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Where is preformed vitamin A found?

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Where is provitamins A found?

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What are preformed vitamin A

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What are provitamins A compounds?

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what can vitamin A deficiency cause?

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What is cholecalciferol made in the skin from?

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What is cholecalciferol the active form of?

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What does vitamin D do in the body?

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What is the only form of Vitamin E that can meet human needs?

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What is the main source of alpha-tocopherol?

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*** what is synthetic alpha-tocopherol made of?

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Where is most vitamin E then in the body?

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What delivers vitamin E to the tissues in the body?

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What does vitamin E function primarily as?

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**** What is absorbed vitamin E incorporated into?

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What is vitamin E necessary for?

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What does vitamin E protect?

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How does Vitamin E protect the cell membrane?

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*** What can consumption in excess of fat soluble vitamins do?

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*** What is riobflavin essential for?

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*** What is niacin essential to?

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Which of these vitamins are water soluble?

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Label the molecules

intermediate from run catalyzed by a-KDGH

intermediate from rxn catalyzed by PDH

thiamine pyrophosphate

thiamine

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A metabolite of tryptophan can also be used in synthesis of NAD+

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Biotin in the body is important for ...

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The active form of biotin is a coenzyme that adds COOH to molecules

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Pantothenic acid in the body is needed for...

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The active form of pantothenic acid is...

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Label the forms of vitamin B 6

pyridoxal

pyridoxal phosphate

pyridoxamine

pyridoxine

isoniazid

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An isoniazid-anti TB drug can induce vitamin B6 deficiency by forming an inactive derivative with pyridoxal phosphate.

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Vitamin B6 in the body is important for...

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Folate coenzymes are needed in the body for...

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Epidemiological and clinical studies indicate that higher dietary folate intake and blood folate levels are associated with higher risks of certain cancers

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Choline is needed ....

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Vitamin A effects cell differentiation through its effect of gene expression

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Vitamin K has 2 forms...

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Vitamin K can be used in the body for ...

biochem Quiz am Biochem - Vitamins, erstellt von Alannah McDonnell am 10/03/2018.