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
Gama Admin Batrachotoxin is a poison found in frogs in the Columbian jungle. The poison is used by Native Indians to produce poison darts.
The poison works by increasing the permeability of some cell surface membranes to sodium ions,
which move out of the cells.
Which statements are correct for cells affected by batrachotoxin?
1 The intracellular fluid has a less negative water potential than the extracellular fluid.
2 The…
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