About 1,610,000 results
Open links in new tab
  1. Enzyme - Wikipedia

    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 …

  2. Enzyme | Definition, Mechanisms, & Nomenclature | Britannica

    4 days ago · 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 …

  3. Enzymes - Definition, Examples, Function - Science Notes and ...

    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 …

  4. 8.2: Enzyme Structure and Function - Biology LibreTexts

    Enzymes lower the activation energy by binding to the reactant molecules and holding them in such a way as to speed up the reaction. The chemical reactants to which an enzyme binds are called …

  5. Enzymes: What Are Enzymes, Pancreas, Digestion & Liver Function

    May 12, 2021 · Enzymes are proteins that help speed up chemical reactions in our bodies. Enzymes are essential for digestion, liver function and much more. Too much or too little of a certain enzyme can …

  6. Enzymes: Function, definition, and examples - Medical News Today

    Dec 8, 2023 · Enzymes help with specific functions that are vital to the operation and overall health of the body. They help speed up chemical reactions in the human body. They are essential for …

  7. Enzyme - National Human Genome Research Institute

    4 days ago · The enzyme is not destroyed during the reaction and is used over and over. A cell contains thousands of different types of enzyme molecules, each specific to a particular chemical reaction.