nutrition ch 7-8
humans need vitamin B-6 for
amino acid metabolism
an amino acid contains ____ group
amino, side group, acid group
which food is NOT a good source of vitamin E?
apples
proteins
are comprised of amino acids, have nitrogen in their chemical structure and provide 4kcal/g
barrys diet lacks foods that contain thiamin, as a result of his diet, he has a high risk of
beriberi
deep yellow, dark green and orange fruits and vegetables are rich sources of
beta-carotene
which substance is a precursor or pro vitamin for a vitamin?
beta-carotene
a severe vitamin A deficiency can ultimately lead to
blindness
beckys 2 yr old cant walk because he was born with spina bifida, to reduce the chances of nxt baby born with this defect or related disorders becky should
consume green leafy vegetables, drink orange juice and take folic acid supplements
a person suffering from celiac disease must avoid
consuming foods that contain gluten
_____ is the process that changes the normal shape of a protein and, as a result the molecule loses function
denaturation
classic sign and symptoms of pellagra include
dermatitis
which food is a rich source of riboflavin?
fat-free milk
the human body needs vitamin K to
form active blood clotting factors
which food is a good source of vitamin K?
green leafy vegetables
the body needs folate to
help form DNA
in the stomach_____ participate in the chemical digestion of protein
hydrochloric acid and pepsin
vitamin C
is needed to form strong collagen and thus connective tissue
which food is a good souce of vitamin B-12?
lean meats
in the body, vitamin A helps
maintain epithelial cells
roles of riboflavin include
metabolism of macronutrients
B vitamin function is
parts of coenzymes
which food is a high-protein snack that does not contain animal proteins?
peanuts
which foods are most often responsible for causing an allergic response in a person?
peanuts
amino acids are linked to each other when they form a protein by a
peptide bond
vitamin D help the body absorb
phosphorus and calcium
roberta is 25 yrs, healthy and pregnant, based on this information her body is in____
positive
the ____ is the primary site for vitamin absorption in the body
small intestine
in the process of translation
the mRNA leaves the nucleus, binds to the ribosome and peptide chain is built
protein quality is determined by
the relative abundance of essential amino acids
wernicke-korsakoff syndrome is seen as an acute form of
thiamine deficiency
in a healthy adult, amino acids from the amino acid pool are used MAINLY
to build new protein
true or false. certain proteins transport nutrient and oxygen in the bloodstream
true
true or false. edema is a major sign of kwashiorkor
true
true or false. foods generally contain much smaller amounts of vitamins that proteins or carbohydrates
true
which food is naturally a good source of high quality protein ?
tuna fish
the deamination process ULTIMATELY results in the formation of
urea
anemia is a symptom observed in the deficiency of which vitamin ?
vitamin B6
which menu item contains complementary protein?
whole-wheat crackers spread with soy nut butter, pita bread dipped in mashed chickpeas and kidney beans mixed with rice
lilly is 22 yrs of age, she usually consumes about 1800 kcal/day, according to AMDR guidelines protein should comprise ______% of her total energy intake
10 to 25
luis is 24 years of age and weight 220 lbs, his RDA for protein is ___ g
80
intrinsic factor is needed to absorb vitamin
B-12
instructions for making proteins are coded in a cells
DNA
which vitamin has antioxidant activity?
E