Paper 1, May June 2003 | Cambridge AS - A Level Biology (9700) Past Papers
CIE
AS & A Level
Biology (9700)
شهریور
2003
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 Scientists have made a nucleic acid (HNA) that has a sugar with the same number of carbon atoms as glucose instead of deoxyribose. Although genetic information can be stored by HNA, naturally occurring DNA polymerase cannot replicate HNA.
Which statements could explain why naturally occurring DNA polymerase cannot replicate HNA?
1 DNA polymerase cannot form bonds between the sugars of two HNA nucleotides.
2 DNA polymerase cannot form…
