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EXPH 386 Final Exam Questions and Answers
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EXPH 386 Final Exam Questions and Answers
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EXPH 386 FinalCoefficient of digestibility for carbs, lipid, and protein (%) - Answer-carbs- 97%
lipid- 95%
protein- 92%
which of the 3 macronutrients would be good to consume during a weight loss program? why? -
Answer-carbs bc its the most digested and absorbed
reaction rates depend upon..
a. ph
b. temp
c. availability of substrates
d. a and c
e. all of the above - Answer-e
what enzyme aids in hydrolysis - Answer-ATPase
when atp is broken down into adp how much free energy is produced for one mole of atp?
a. 1.2 kcal
,b. 3.4 kcal
c. 7.3 kcal
d. 9.6 kcal - Answer-c. 7.3 kcal
Is atp hydrolysis anaerobic or aerobic? - Answer-anaerobic
cytosol:
mitochondria:
(anaerobic or aerobic) - Answer-cytosol: anaerobic
mitochondria: aerobic
does the cell store a lot of atp? - Answer-no only a small amount of atp is stored in the cell
which has higher free energy? creatine phosphate or hydrolysis of atp? - Answer-creatine phosphate
Is creatine phosphate, aerobic or anaerobic? - Answer-anaerobic
phosphorylation - Answer-oxidation (biological burning) of carbs, lipids, and proteins for energy
cellular oxidation - Answer-H+ is stripped from carbs lipids and proteins
begins in cytoplasm and moved into mitochondria to form H2O
energy is released from electron transport system to form atp
Is oxidative phosphorylation aerobic or anaerobic? - Answer-aerobic (needs oxygen)
, During oxidative phosphorylation NADH produces ___ atp and FADH produces ___ atp - Answer-nadh -
3 atp
fadh - 2 atp
oxidative phosphorylation produces grater than ___% of atp synthesis - Answer-90%
carbs are the only nutrient whose stored energy can be used to generate atp during heavy or intense
exercise ______ (anaerobically or aerobically) - Answer-anaerobically
during light to moderate exercise ___ supplies about 1/3 of the body's energy needs - Answer-carbs
1 glucose molecule = ___ ATP - Answer-36
skeletal = __ atp
heart = __ atp - Answer-skeletal = 4 atp
heart = 6 atp
is lactic acid always being produced? - Answer-yes
lactic acid is buffered to form _____ - Answer-lactate
increased lactate can cause an _____ in blood pH - Answer-increase
when lactic acid production exceeds the rate at which is is being buffered blood pH ____ - Answer-
decreases
where does the cori cycle occur - Answer-liver
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