Paper 1, May June 2008 | Cambridge AS - A Level Biology (9700) Past Papers
Cambridge
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
Neda Bani The graph shows the oxygen dissociation curves for haemoglobin from three different animals.
Which of the haemoglobins, X, Y or Z, would be present in each of the animals 1, 2 or 3?
1 an adult human
2 a fish living in water that has a very low oxygen concentration
3 a very active mammal whose tissues have a much higher rate of respiration than an adult human
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