BI-10
Effect of temperature and pH on enzymes
Biology · Secondary 3 · Hard · Effect of temperature and pH on enzymes
An enzyme-controlled reaction is carried out at pH 7 and 37 °C. The mixture is then heated to 80 °C and kept at this temperature for 10 minutes before cooling back to 37 °C. How will the rate of reaction at 37 °C compare with the original rate?
- It becomes slightly higher than before.
- It stays the same as before.
- It becomes slightly lower but still significant.
- It becomes almost zero.
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