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EXPH 386 EXAM 1 OE COMPLETE QUESTIONS AND ANSWERS (VERIFIED)
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EXPH 386 EXAM 1 OE COMPLETE QUESTIONS AND ANSWERS (VERIFIED)
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EXPH 386 EXAM 1 OE COMPLETE QUESTIONSAND ANSWERS (VERIFIED)
what is the one purpose of the energy release from breakdown of food?
ANSWER = to phosphorylate ADP and form ATP
what is the primary function of carbohydrates?
ANSWER = supply energy for cellular work
carbohydrates are the only nutrient whose energy can be stored to do what
ANSWER = generate ATP anaerobically (important during heavy or intense exercise)
will you ever see the body's energy needs at 0
ANSWER = no!
during light to moderate exercise carbs supply what amount of the body's energy needs
,ANSWER = 1/3
what must occur so that fat nutrients can be used for energy
ANSWER = a continous breakdown of carbohydrates
with the breakdown of each glucose molecule in the muscle cell how many kcals of energy are gained?
how many moles of ATP are generated?
ANSWER = 263; 36
what are the two stages for glucose degradation in the body?
ANSWER = anaerobic (fast)
aerobic (slow)
what processes are anaerobic?
ANSWER = -glycolysis
-glycogenesis
what is glycolysis
ANSWER = when a glucose molecule enters a cell to be used for energy it undergoes a series of
chemical reactions
,what is glycogenolysis
ANSWER = when the series of reactions starts with stored glycogen
-this is the breakdown of glycogen into glucose for energy
what is glycogen breakdown regulated by
ANSWER = phosphorylase
phosphorylase is influenced by what
ANSWER = epinephrine
what happens to epinephrine during physical activity and exercise
ANSWER = goes up
what else is important during glycogen breakdown
ANSWER = release of Ca+ and phosphate ions
what is glycogen formation influenced by after eating a meal
ANSWER = glycogen synthase
, where does glycolysis occur
ANSWER = cytoplasm
when does glycolysis occur
ANSWER = anaerobic breakdown of glucose
what is the storage form of glucose
ANSWER = glycogen
when does phosphorylase start
ANSWER = during the inactive stage of exercise
what is required in step 1 of glycolysis
ANSWER = ATP to break down glucose into glucose-6-phosphate
is step one of glycolysis endergonic or exergonic
ANSWER = endergonic because energy must be added
is ATP required in step 3 of glycolysis
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