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49 terms

NTDT test 3

STUDY
PLAY
carbs and fats
N is found in proteins but NOT in?
amino acid
an aldehyde group is NOT contained in?
partially essential
what are not used to classify AA in the diet?
it can be made from fat in the body
what is a feature of AA?
3 AA bond together
what is the composition of a tripeptide?
dipeptide
2 AA's joined together are called?
uncoil and loses shape of protein
what is the definition of denaturation?
stomach
when you eat a burger, what organ is the hydrolysis protein initiated?
pepsin is active
in the stomach?
breaks down proteins
what is the definition of proteases?
hydrolyze proteins
what is the function of protease?
65%
how many total kcals consumed are used for BMR?
primarily by buffering action of proteins
what is the pH balance process regulated by?
antibodies
protein that inactivates foreign bacteria and viruses
both nonessential and nonessential AA
AA pool consists of
ingesting adequate levels of carbs and fat
protein sparing in the body is best achieved when?
N in is greater than N out
what is the definition of positive N balance?
positive
what is the usual state of N balance for healthy kid and pregnant lady?
protein synthesis will be limited
what happens if diets is lacking an essential AA
limiting AA in a protein
an essential AA present in insufficient quantity for body synthesis to take place
low concentration of blood protein
the presence of tissue edema in kwashiorkor indicates?
10%
if a man consumed 65g of protein and total 2700 kcal per day, what % energy would be derived from protein?
sum total of all chemical that go on in living cells
what is the definition of metabolism?
anabolism
simple compounds -> complex molecules is what?
anabolism
formation of glycogen in liver is example of what?
ATP
major energy carrier molecule
glycolysis
what is the conversion of glucose to pyruvate?
its irreversible
which of the following is NOT an aspect of glycolysis?
oxygen
what does an aerobic reaction require?
lactic acid and glucose
Cori Cycle involves the interconversion of?
accumulation of lactic acid
when muscle fatigue and burn it indicates?
3
triglyceride contians 54 carbon atoms - how many glucose/glycerol?
FA's
glucose can NOT be formed from?
gluccose
95% of triglyceride cannot be converted to?
body proteins
fatty acid cannot be used to make?
amino acid can be converted to glucose
if carb content of diet is insufficient to meet the body's needs for glucose?
excreted as urea
in the metabolism of amino acids for energy, what is teh fate of the amino acid?
TCA cycle on electron transport chain
ammonia is not generated via?
high in protein
body's need for water increases on a diet
fat, CHO and PRO
when energy-yielding nutrients are consumed in excess, which can lead to storage of fat?
glycolysis, TCA cycle, electron transport chain
which of the following outlines the overall sequence of events in the complete oxidation of glucose
glycogen
after the first day or so of fasting, which of the following is mot depleted in the body?
CHO
which of the following dietary nutrients would most rapidly reverse a state of ketosis in a starving person?
2-5 lbs/ week
safe rate of max weight loss on a long term basis
waves
Connie Gutterson's weight loss/management book describes phases of the diet in terms of?
250 kcal
approx value for the thermic effect of 2500 kcal diet
central obesity
storage of excess fat around the central part of the body
the Sonoma Diet
Connie Gutterson is the author of weight loss/management book called?
occurs when fats are partially oxidized
which of the following is a feature of ketosis?