Biology 9700 · AS & A Level · Mode of action of enzymes

Mode of action of enzymes — practice question

The enzyme $\alpha$-amylase hydrolyses amylopectin, but it cannot hydrolyse certain of its glycosidic bonds. • It hydrolyses only $1,4$ glycosidic bonds. • It cannot hydrolyse the final bond in a chain. • It cannot hydrolyse the bonds in a chain of three units joined by a $1,6$ glycosidic bond to a different chain. Which glycosidic bond is hydrolysed by $\alpha$-amylase?

    Worked solution & mark scheme

    This 1-mark question has a full step-by-step worked solution and mark scheme.

    • Full mark scheme, point by point
    • Step-by-step worked solution
    • Write your answer & get it marked instantly by AI