Paper 1, Oct Nov 2007 | Cambridge AS - A Level Biology (9700) Past Papers
CIE
AS & A Level
Biology (9700)
بهمن
2007
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
Boiling the bones and teeth from dead animals can be used to produce a type of glue.
The glue is formed from the collagen fibres present in bones and teeth.
Which statement describes the changes to collagen that occur when the glue is produced?