A simple two-carbon compound may have been a crucial player in the evolution of metabolism before the advent of cells, according to a new study. The finding potentially sheds light on the earliest ...
The citric acid cycle is also known as the Krebs cycle or the tricarboxylic acid cycle. It is a series of reactions in a closed loop that are fundamental for cellular respiration. The citric acid ...
AMP-activated protein kinase (AMPK) occurs as heterotrimeric protein complexes that monitor cellular energy status by sensing the concentrations of ATP, ADP and AMP. Displacement of ATP by ADP or AMP ...