9700/12 Biology Oct Nov 2022 Online Test | Cambridge AS and A Level MCQ
CIE
AS & A Level
Biology (9700)
بهمن
2022
مشاهده نمونه سوال
شامل مباحث:
AS Level
تعداد سوالات: 40
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
75 دقیقه
پیش نمایش صفحه اول فایل
Neda Bani Membrane proteins are called ‘peripheral’ if they are temporarily attached to the membrane or ‘integral’ if they are permanently attached to the membrane.
Integral proteins are described as ‘intrinsic’ if they extend across the whole bilayer and ‘extrinsic’ if they are found only in one side of the bilayer.
How would you describe a channel protein?
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