9700/11 Biology May Jun 2013 Online Test | Cambridge AS and A Level MCQ
CIE
AS & A Level
Biology (9700)
شهریور
2013
مشاهده نمونه سوال
شامل مباحث:
AS Level
تعداد سوالات: 39
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
60 دقیقه
پیش نمایش صفحه اول فایل
Neda Bani The mechanism of action of four drugs that inhibit DNA replication is stated below.
● Aphidicholine inhibits DNA polymerase.
● Cytarabine is converted into a molecule that can substitute for a DNA nucleotide and also inhibits DNA repair mechanisms.
● Epirubicin inhibits an enzyme involved in the unwinding of DNA and separation of strands.
● Hydroxycarbamide inhibits an enzyme involved in the production of deoxyribonucleotides.
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