BMS 430 Endocrinology Exam 2 questions and answers
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Course
BMS 430
Institution
BMS 430
fructose can be turned into - glucose
sucrose is - fructose + glucose
lactose is - glucose + galactose
galactose can be turned into - glucose
excess nutrients are stored as - fats
neurons only use what carb - glucose
muscle energy sources - FA + glc (like FA more)
other organs ...
BMS 430 Endocrinology Exam 2
questions and answers
fructose can be turned into - glucose
sucrose is - fructose + glucose
lactose is - glucose + galactose
galactose can be turned into - glucose
excess nutrients are stored as - fats
neurons only use what carb - glucose
muscle energy sources - FA + glc (like FA more)
other organs energy sources - glc over fat
do you need ATP to move glucose into a cell - yes
glycogen is mostly stored in - the liver, but some in the muscle
does muscle have the enzyme to turn g6p into glucose? - no, must produce
lactate and release it into blood for liver to do rev. glyc
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metabolism: look at the pathway on your notes - glcn:glc1p:glc6p:frc-6p:glc-
3p x2: pyr x2
can you use AAs for energy and where - yes - make pyruvate from AA and
rev. glyc to glc = gluconeogenesis
can also just go through tca
is there lots of energy in fat? - yes
in an absorptive state, glucose does what in muscle - stored as glcn
in an absorptive state, glucose does what in tissues - turned into energy
in an absorptive state, glucose does what in th eliver - stored as glcn, or
made into triglycerides and then stored in fat
in an absorptive state, triglycerides are stored where - adipose tissue (FA)
in an absorptive state, AA do what in the muscle - build proteins
in an absorptive state, aa do what in the liver - turned into energy
in a post absorptive state, what happens in the liver - move glcn to glucose
and release so brain has glucose
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in post-abs state, muscle does what - glcn to lactate/pyruvate to liver for
gluconeogenesis (to brain)
in post-abs state, FA move into? - the muscle and other tiisues for energy
in post-abs state, glycerol moves into? - liver to be turned into glucose
in post-abs state, muscle's proteins will - degrade and be moved into liver
what are the receptors on mit and nucleus for regarding thyroid hormone -
T3
enzyme that converts t4 into t3 - deiodinase
why do we even have t4 - long half life
no thyroid? - decrease bmr
tsh is released from - anterior pituitary
what releases tsh - trh
thyroid hormone mechanism of action - bind receptor, remove hsp90, bind
TRE region w/ zinc fingers, cause protein synthesis for enzymes involved in
glycolysis
where else does t3 act in the cell - mitochondria (enz for resp)
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