9700/12 Biology Oct Nov 2016 Online Test | Cambridge AS and A Level MCQ
CIE
AS & A Level
Biology (9700)
بهمن
2016
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
A gene codes for the production of a protein, p53, that binds to damaged DNA during interphase and prevents its replication. A carcinogen in cigarette smoke mutates this gene.
Which statement explains why this mutation may cause cancer?