Paul Andersen explains how enzymes are used to break down substrates. The correct shape of the active site allows a key/lock fit between the enzyme and the substrate. The enzyme catalase is used to break down hydrogen peroxide. The...

Adenosín trifosfato, molécula que actúa como almacén de energía en todas las células vivas. <br/<br/>>

Twig - Biología

It introduces enzymes as the biological catalyst. It also describes their chemical structure, types, nomenclature and mechanism of action.

Propionyl S CoA

Vitamin A Functions and Retinoid Cycle

Isocitrate Dehydrogenase

Coagulation | The Kininogen Pathway & Bradykinin

NAD Biosynthesis

Lesson on Vitamin C (Ascorbic acid), metabolic pathways that require vitamin C, dietary sources of vitamin C, and the physiology of absorption and metabolism of vitamin C. Vitamin C is an essential water-soluble vitamin that is required...

Lesson on Carnitine Biosynthesis. Carnitine is an important metabolite that is required for transportation of long chain fatty acids into the mitochondria via the Carnitine shuttle. Carnitine can be derived from dietary sources or from...

This video introduces the third way of multiplying vectors called the cross product also known as the vector product and sometimes refereed to as the area product. This video will cover the component definition of the cross product. A...

Lesson on Serotonin and Melatonin Synthesis from the amino acid Tryptophan. Tryptophan is an essential amino acid, which is used to produce the monoamine neurotransmitter serotonin and the hormone melatonin. Serotonin is important in...