HUN 3226 EXAM QUESTIONS AND
ANSWERS
fat soluble vitamins - ANSWER-soluble in fat
require bile salts and fat for absorption in the intestinal track
normally they are not excreted in urine
generally stored in the liver and fat tissues. Can stay as reserve for days or even
months.
do not act as coenzymes
vitamins A, D, E, K
water soluble vitamins - ANSWER-are soluble in water
are easily absorbed
have a threshold for urinary excretion
not stored in the body (exemption: B12)
act as coenzymes
vitamins B complex and vitamin C
B1 - ANSWER-thiamin
B2 - ANSWER-riboflavin
B3 - ANSWER-niacin
B5 - ANSWER-pantothenic acid
B6 - ANSWER-pyridoxine
B7 - ANSWER-biotin
B9 - ANSWER-folate
B12 - ANSWER-cobalamin
6 factors of gene expression - ANSWER-genetics
environment
lifestyle (food choice)
psychological problems (zinc deficiency)
disease (CVD, diabetes,...)
longevity (calorie restriction)
nutrigenomics - ANSWER-the study of how naturally occurring compounds found in
foods regulate gene expression
ANSWERS
fat soluble vitamins - ANSWER-soluble in fat
require bile salts and fat for absorption in the intestinal track
normally they are not excreted in urine
generally stored in the liver and fat tissues. Can stay as reserve for days or even
months.
do not act as coenzymes
vitamins A, D, E, K
water soluble vitamins - ANSWER-are soluble in water
are easily absorbed
have a threshold for urinary excretion
not stored in the body (exemption: B12)
act as coenzymes
vitamins B complex and vitamin C
B1 - ANSWER-thiamin
B2 - ANSWER-riboflavin
B3 - ANSWER-niacin
B5 - ANSWER-pantothenic acid
B6 - ANSWER-pyridoxine
B7 - ANSWER-biotin
B9 - ANSWER-folate
B12 - ANSWER-cobalamin
6 factors of gene expression - ANSWER-genetics
environment
lifestyle (food choice)
psychological problems (zinc deficiency)
disease (CVD, diabetes,...)
longevity (calorie restriction)
nutrigenomics - ANSWER-the study of how naturally occurring compounds found in
foods regulate gene expression
