9700/11 Biology May Jun 2013 Online Test | Cambridge AS and A Level MCQ
Cambridge
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 A population of bacteria is exposed to the antibiotic penicillin. Most of the bacteria die.
However, some bacteria in the population have an allele coding for an enzyme that breaks down penicillin. These bacteria are able to survive.
Which could explain how these bacterial cells acquired this allele?
1 An error during DNA replication.
2 An error during transcription.
3 An error during translation.
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