Biology 5090 · O Level · Enzyme action

Enzyme action — practice question

Maltase is an enzyme located in the intestines of vertebrates, humans included.
(a)[4]

Complete Table 2.1, which gives descriptions of words linked to the activity of maltase. The first row has already been done for you.

(b)[2]

Vampire bats live in South America and feed only on blood. They are the only known vertebrates that lack maltase in their intestines. Suggest an explanation for this.

Worked solution & mark scheme

This 6-mark question has a full step-by-step worked solution and mark scheme. One marking point: maltose (substrate)

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