Chapter 9 Compounds of High Phosphoryl-Transfer Potential Flashcards
Compounds that release energy upon hydrolysis contain _________
Phosphoryl Groups
High phosphoryl-transfer potential compound
A~P
What happens when A~P transfers its phosphoryl group to compound B?
Increases the energy content of B, creating B-P
B-P loses energy in reaction making it favorable (give equation)
A~P + B -> A + B-P ΔG < 0
Three main compounds of High Phosphoryl-Transfer Potential
ATP, ADP, Phosphocreatine
ATP hydrolysis powers _______.
Anabolism
ATP synthesis fueled by _______.
Catabolism
What are the main processes that use ATP?
Anabolism, Movement, Active Transport, Signal amplification
ATP serves as a _____ energy source.
Direct
ADP and phosphocreatine are _____ energy sources.
Indirect
Other ribonucleoside triphosphates that serve as direct energy sources
GTP (protein synthesis), UTP & CTP (nucleic acids synthesis)
ATP hydrolyzed to ADP and Pi for energy-demanding processes.
ATP-ADP Cycle
Three key processes in ATP-ADP cycle during exercise
Movement, active transport, signal amplification
What happens during active transport?
molecules or ions move across a cell membrane against a concentration gradient
What happens during signal amplification?
enhanced secretion of hormones (hormones play a role in signaling and energy mobilization)