9700/12 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
Which of the statements describe some roles of enzymes?
1 catalyse the breakdown of larger molecules into smaller ones
2 lower the activation energy required to start a reaction
3 increase the number of collisions between molecules
4 supply the activation energy required to start a reaction