BISC 102 Lecture Notes - Lecture 6: Phosphocreatine, Creatine Kinase, Phosphagen
2 Dec 2015
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Required for muscle contraction and biological work e. g. digestion. Rate of change of energy (how quickly work is performed) E. g. 50 push-up in 4 mins to 2 min power output doubled rate working muscle can produce energy. Capacity total amount of atp that system can produce. Adenosine triphosphate (atp) immediate energy for contraction. Phosphate bonds in atp, when released high-energy released. Only fuel, so need to rebuild atp as fast its broken down if contractions continue. Required oxygen delivered by the blood to produce atp. 3 energy systems never use only one energy system during activity (phoshagen > 2x faster than anaerobic > 4x faster aerobic system: phosphagen system immediate energy alactic energy. Atp creatine phosphate system (atp pc/ atp cp) Atp atpase adenosine diphosphate (adp) + inorganic phosphate (pi) + energy. Cp creatine kinase c + pi + energy. ^ above two are enzymes - catalyze up all chemical reactions.
