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Double Helix – back to basics Activity

by Mike, 18 May 2013 | 2 comments

Adenine molecule marked with an A.

Two centuries ago, nobody knew much about what made a single fertilised cell grow into a human. Or – for that matter – a dog, a sea urchin, a worm or a whale. The problem was nobody could imagine how a microscopic bag of chemicals could possibly split in half again and again, yet still…

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