9700/11 Biology May Jun 2012 Online Test | Cambridge AS and A Level MCQ
Cambridge
AS & A Level
Biology (9700)
شهریور
2012
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 The graph shows the results of an investigation into the effect of amylase on starch at three different temperatures.
Which statements are correct conclusions using these results?
1) The optimum temperature is ${50^ \circ }C$.
2) The initial rate of reaction is highest at ${70^ \circ }C$.
3) The higher the temperature the more quickly the enzyme denatures.
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