9700/12 Biology May Jun 2021 Online Test | Cambridge AS and A Level MCQ
Cambridge
AS & A Level
Biology (9700)
شهریور
2021
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 graph shows how the rate of entry of substance X into a cell changes as the concentration of substance X outside the cell increases.
The diagram shows part of a cell surface membrane.
Which pathways could substance X use to enter the cell?