energy transfer in the body Flashcards
where does energy used for muscle contractions come from?
adenosine triphosphate (ATP)
what is adenosine triphosphate?
the only usable form of chemical energy in the body
where does ATP come from?
the energy that is derived from foods such as carbohydrates is broken down to release energy used to form ATP
what does ATP consist of?
one molecule of adenosine & 3 phosphate molecules
how is energy stored in adenosine triphosphate released?
breaking down the bonds that hold the compound together
what are used to break down the compounds?
enzymes
what is the enzyme used to break down ATP?
ATPase
what does broken down ATP leave in the body?
adenosine di-phosphate (ADP)
(an inorganic phosphate)
how does the body have to constantly rebuild ATP?
by converting ADP and Pi back into ATP
what are the 3 energy systems that conversion of fuels into energy takes place called?
1) the aerobic system
2) the ATP-PC system
3) the anaerobic glycolytic system