Jan 12, 2026 · Enzyme, a catalyst that regulates the rate at which chemical reactions proceed in living organisms without itself being altered in the process. Most critically, enzymes catalyze all aspects of …

An enzyme is a biological macromolecule, usually a protein, that acts as a biological catalyst, accelerating chemical reactions without being consumed in the process. The molecules on which …

Feb 8, 2026 · The meaning of ENZYME is any of numerous complex proteins that are produced by living cells and catalyze specific biochemical reactions at body temperatures.

Mar 25, 2025 · Enzymes are specialized proteins (and in some cases RNA molecules) that act as catalysts in living organisms. They speed up the chemical reactions required for life by lowering the …

Jan 15, 2026 · Enzymes catalyze, or speed up, chemical reactions in cells. More specifically, they lower the threshold necessary to start the intended reaction.

ENZYME definition: any of various proteins, as pepsin, originating from living cells and capable of producing certain chemical changes in organic substances by catalytic action, as in digestion. See …

a substance that is produced by all living things and that helps a chemical change happen or happen more quickly, without being changed itself. Enzymes are essential to the body’s functioning. …

ENZYME definition: 1. any of a group of chemical substances that are produced by living cells and cause particular…. Learn more.

3 days ago · An enzyme is a biological catalyst and is almost always a protein. It speeds up the rate of a specific chemical reaction in the cell. The enzyme is not destroyed during the reaction and is used …

Many of the chemical reactions that take place inside you depend on the proteins known as enzymes. These large, globular proteins catalyze, or speed up, the reactions sometimes by as much as a …