Biological Molecules Quiz (3) Biology AS Level
CIE
AS & A Level
Biology (9700)
فروردین
2010
شامل مباحث:
UNIT 2: Biological molecules
تعداد سوالات: 20
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
25 دقیقه
پیش نمایش صفحه اول فایل
omer uner A student wrote four statements about water.
1) Water has a high specific heat capacity which maintains the temperature of water within cells.
2) Mammals rely on water having a relatively low latent heat of vaporisation to keep them cool.
3) When a negatively charged ion is added to water, the ${\delta ^ + }$ charge on the hydrogen atom is attracted to the ion.
4) When surrounded by water, non-polar molecules tend to be pushed apart from one another.
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