This page covers metabolism, highlighting its vital chemical transformations necessary for life, such as energy conversion, biosynthesis, and waste elimination. Key elements include enzymes for reacti...This page covers metabolism, highlighting its vital chemical transformations necessary for life, such as energy conversion, biosynthesis, and waste elimination. Key elements include enzymes for reaction catalysis, ATP as energy currency, and coenzymes like NAD and NADP. It details glycolysis, cellular respiration, photosynthesis, G proteins for signaling, second messengers, and bioluminescence in organisms.