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Enzymes

Enzymes. Jennifer Naples Biology. What is an Enzyme?. An enzyme is a biological catalyst What is a catalyst? Something that makes a chemical reaction happen faster at a lower temperature A trigger What sets you off?. What is an Enzyme?. Enzymes break down substances in the body

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Enzymes

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  1. Enzymes Jennifer Naples Biology

  2. What is an Enzyme? • An enzyme is a biological catalyst • What is a catalyst? • Something that makes a chemical reaction happen faster at a lower temperature • A trigger • What sets you off?

  3. What is an Enzyme? • Enzymes break down substances in the body • Enzymes make other substances

  4. How do Enzymes Work? • Enzymes have a “keyhole” spot where they join with a substrate • Substrate – molecule being broken down • Enzyme + Substrate =Reaction

  5. How Do Enzymes Work? • A substrate will find the “active site” of an enzyme • They fit together like a lock and key • Reaction occurs • Enzyme is released and ready to use again

  6. What do Enzymes Need in Order to Work? • Enzymes • Substrate • Enzyme and substrate MUST fit together • Right temperature • Right pH

  7. What Happens After the Reaction Occurs? • A product is formed and released • A molecule is broken down • Enzyme may be reused • An enzyme that no longer works is called “denatured”

  8. Check for Understanding • What is an enzyme? • A biological catalyst • What is a substrate? • What do enzymes need in order to work? • Correct temperature, pH enzymes and substrate • What happens when the process is finished? • Enzymes may be reused

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