Enzymes Quiz (2) Biology AS & A 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 The enzyme lactase is found in the membranes of epithelial cells lining the small intestine.
The enzyme is formed by a single polypeptide that folds to give three regions.
$ \bullet $ an active site with the free amino group outside the cell
$ \bullet $ a short section inside the membrane
$ \bullet $ a short section inside the cell
What type of amino acid would be found in each of the three regions?
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