9700/12 Biology Oct Nov 2013 Online Test | Cambridge AS and A Level MCQ
Cambridge
AS & A Level
Biology (9700)
بهمن
2013
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
Gama Admin The graph shows how the rate of entry of glucose into a cell changes as the concentration of glucose outside the cell changes.
What is the cause of the plateau at X?
1 All the carrier proteins are saturated with glucose.
2 The cell has used up its supply of ATP.
3 The concentrations of glucose inside and outside the cell are equal.
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