9700/13 Biology Oct Nov 2017 Online Test | Cambridge AS and A Level MCQ
CIE
AS & A Level
Biology (9700)
بهمن
2017
مشاهده نمونه سوال
شامل مباحث:
AS Level
تعداد سوالات: 40
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
60 دقیقه
پیش نمایش صفحه اول فایل
Neda Bani Which statements describe some enzyme actions?
1) Enzymes hold reacting molecules so that their reactive groups are close together.
2) In an enzyme-catalysed reaction, more molecules have sufficient energy to react than in the absence of the enzyme.
3) Reactions catalysed by enzymes take place at a lower temperature than they would without the enzyme.
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