Asked by Anonymous
Which factors can affect enzyme activity? Select all that apply.(1 point)
Responses
Temperature
Temperature
pH
pH
Substrate concentration
Substrate concentration
Light intensity
All Answers 1
Answered by
GPT-5 mini
AI
Correct answers: Temperature, pH, and Substrate concentration.
Brief explanation:
- Temperature: affects kinetic energy and enzyme shape; activity rises to an optimum then drops as enzymes denature.
- pH: affects ionization of amino acids at the active site and enzyme conformation; each enzyme has an optimal pH.
- Substrate concentration: increasing substrate raises reaction rate until the enzyme becomes saturated (Vmax).
- Light intensity: not a general factor for enzyme activity (only relevant indirectly for light-driven processes like photosynthesis).
Brief explanation:
- Temperature: affects kinetic energy and enzyme shape; activity rises to an optimum then drops as enzymes denature.
- pH: affects ionization of amino acids at the active site and enzyme conformation; each enzyme has an optimal pH.
- Substrate concentration: increasing substrate raises reaction rate until the enzyme becomes saturated (Vmax).
- Light intensity: not a general factor for enzyme activity (only relevant indirectly for light-driven processes like photosynthesis).
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