Biology 0610 · IGCSE · Enzymes

Enzymes — practice question

Enzymes function as catalysts.
(a)[2]

Define the term catalyst.

(b(i))[1]

State the letter of the substrate that enzyme 1 will break down.

(b(ii))[2]

Explain, in terms of enzyme structure, why you selected your answer in 6(b)(i).

(c)[6]

Complete Table 6.1 by matching the enzymes with the reactions they catalyse.

Worked solution & mark scheme

This 11-mark question has a full step-by-step worked solution and mark scheme. One marking point: increases the rate of chemical reactions

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