Amylase is an enzyme that catalyses the breakdown of starch - HSC - SSCE Biology - Question 10 - 2009 - Paper 1
Question 10
Amylase is an enzyme that catalyses the breakdown of starch.
As the temperature rises, the activity of this enzyme will
(A) increase until the enzyme begins to den... show full transcript
Worked Solution & Example Answer:Amylase is an enzyme that catalyses the breakdown of starch - HSC - SSCE Biology - Question 10 - 2009 - Paper 1
Step 1
Evaluate the effect of temperature on enzyme activity
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Answer
As the temperature rises, enzyme activity typically increases because higher temperatures increase the kinetic energy of the molecules involved, leading to more frequent collisions between enzyme and substrate.
Step 2
Assess the point of denaturation
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Answer
However, as temperature continues to rise beyond a certain threshold, the amylase enzyme may denature, losing its functional shape and decreasing its activity.
Step 3
Conclusion
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Answer
Therefore, the correct option is (A) increase until the enzyme begins to denature.
