第 1 題
1 分According to the 'lock and key' hypothesis, why is an enzyme able to catalyze only one specific type of chemical reaction?
GCE O-Level · Biology (6093)
Enzymes：練習題
5 條多項選擇題即時批改，另有 1 條文字題附完整解題步驟，全部圍繞「Enzymes」。
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第 2 題
1 分A solution containing an enzyme and its substrate was initially incubated at \(5\,^{\circ}\text{C}\). The temperature of the reaction mixture was then gradually raised to \(37\,^{\circ}\text{C}\).
Which statement correctly explains why the rate of reaction increased?
第 3 題
1 分The diagram shows an energy profile diagram for a chemical reaction occurring with and without an enzyme.
Which labelled arrow represents the activation energy of the enzyme-catalysed reaction?
第 4 題
1 分Which chemical elements are present in all enzyme molecules?
第 5 題
1 分The diagram below shows the 'lock and key' model of enzyme action.
Which letter represents the enzyme-substrate complex?
第 6 題
2 分State the meaning of enzyme specificity and explain how it relates to the shape of an enzyme's active site.
先自己寫一次答案，再對照解題步驟。
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