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IGCSE biology

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Question:

Structure of a DNA molecule

Author: Freya Watson



Answer:

Two strands coiled together to form a double helix, each strand contains chemicals called bases, bonds between pairs of bases hold the strands together, the bases always pair up the same way - A & T, C & G


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two strands coiled together to form a double helix, each strand contains chemicals called bases, bonds between pairs of bases hold the strands together, the bases always pair up the same way - A & T, C & G
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