9700/12 Biology May Jun 2014 Online Test | Cambridge AS and A Level MCQ
CIE
AS & A Level
Biology (9700)
شهریور
2014
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
Gama Admin An antibiotic enters bacterial cells through a membrane channel protein, P.
Some bacterial cells have shown resistance to this antibiotic by acquiring a mutation which alters P. This mutation prevents the entry of the antibiotic into the cell.
Which conclusions can be drawn about how resistance to this antibiotic developed in these bacteria?
1 The mutation changed the order of the amino acids in the gene coding for P.
2…
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