Enzymes Quiz (2) Biology AS Level
CIE
AS & A Level
Biology (9700)
فروردین
2010
شامل مباحث:
UNIT 3: Enzymes
تعداد سوالات: 20
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
25 دقیقه
پیش نمایش صفحه اول فایل
omer uner Catechol is a chemical found in a number of fruits. Catechol can be oxidised to a quinone by the enzyme catechol oxidase.
Catechol oxidase is inhibited by parahydroxybenzoic acid (PHBA), which is structurally similar to catechol. In the presence of PHBA, the Michaelis-Menten constant (Km) for catechol oxidase increases.
How does PHBA inhibit catechol oxidase?
1) PHBA and catechol can both…
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