Paper 1, May June 2008 | Cambridge AS - A Level Biology (9700) Past Papers
CIE
AS & A Level
Biology (9700)
شهریور
2008
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
The cell surface membranes of some cells are largely made up of phospholipids and cholesterol, with few proteins.
Which transport mechanisms will be reduced across these membranes?
1 facilitated diffusion
2 active transport
3 diffusion