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Factors Affecting Enzyme Action

Factors Affecting Enzyme Action. Temperature and pH. Enzymes can denature. Enzymes are made of complex protein structures. If an enzyme is exposed to excessive heat or pH the protein structure can denature and become inactive. Effect of Temperature .

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Factors Affecting Enzyme Action

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  1. Factors Affecting Enzyme Action Temperature and pH

  2. Enzymes can denature • Enzymes are made of complex protein structures • If an enzyme is exposed to excessive heat or pH the protein structure can denature and become inactive

  3. Effect of Temperature • At what temperature is the enzyme most active? • At what temperature does the enzyme denature? • At what temperature range does the enzyme’s activity increase?

  4. Effect of Temperature • What does this graph represent about the optimal activity temperature for different enzymes?

  5. Effect of pH • What is the optimum activity pH for this enzyme? • At what pH ranges is the enzyme activity increasing or decreasing? • What happens to the enzyme below 4.5pH and above 10.5pH?

  6. Effect of pH • Which enzyme probably catalyzes its substrate in the stomach? • What does this graph represent about the optimal activity pH for different enzymes?

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