Paper 1, May June 2006 | Cambridge AS - A Level Biology (9700) Past Papers
Cambridge
AS & A Level
Biology (9700)
شهریور
2006
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
The enzyme lysozyme secreted from tear glands forms deposits on contact lenses.
Which ingredient would be effective in a contact lens cleaner for removing these deposits?