Cell Structure Quiz (3) Biology AS & A Level
CIE
AS & A Level
Biology (9700)
فروردین
2010
شامل مباحث:
UNIT 1: Cell structure
تعداد سوالات: 20
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
25 دقیقه
پیش نمایش صفحه اول فایل
omer uner An experiment was carried out to separate the cell structures in an animal cell.
The cells were broken open. The extract was filtered and put into a centrifuge tube. This tube was then spun so that the heaviest cell structure sank to the bottom first, forming pellet 1, as shown.
The liquid above pellet 1 was poured into a clean centrifuge tube and spun again at a higher speed to separate the next heaviest cell structure. This cell structure sank to…
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