For example, in plants, specific metabolic pathways can produce glucose and chlorophyll. Metabolic pathways can be described as a series of chemical reactions that start with a substrate and ...

Thousands of metabolic pathways exist and most involve multiple steps – some can be hundreds of steps long! All metabolic pathways together form a complex network that is necessary to maintain life.

As an assist to his students back in 1960, microbiologist Donald Nicholson sketched out a big chart of metabolic pathways; he thought it would help them to have it pinned up on a wall for ready ...