Paper 1, Oct Nov 2005 | Cambridge AS - A Level Biology (9700) Past Papers
Cambridge
AS & A Level
Biology (9700)
بهمن
2005
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
Which statements about the formation of haemoglobinic acid are correct?
1) It is linked to the action of carbonic anhydrase.
2) It prevents blood from becoming too acidic by removing excess hydrogen ions.
3) It can only occur when oxygen associates with haemoglobin.