Enzyme Activity

Biological Catalysts

All living organisms continuously perform numerous biochemical reactions to sustain their presence. Most of these reactions require an input of energy to start, which is called the activation energy. Catalysts are chemicals that lower the activation energy. Even though catalysts facilitate a chemical reaction, they...

European explorers had adequate knowledge, skills and equipment, but why didn't they reach the New World until the end of the 15th century? You'll be surprised to learn that the answer to this question is related to the small biological molecules called enzymes, that act as catalysts.

What is a catalyst? It is a substance that enables a...