Monday, 20 May 2013

3.15 describe a DNA molecule as two strands coiled to form a double helix, the strands being linked by a series of paired bases: adenine (A) with thymine (T), and cytosine (C) with guanine (G)

DNA resembles a ladder (that has been twisted,) on either side of each rung will be a base- they are a base pair: either adenine (A) with thymine (T) or cytosine (C) with guanine (G).


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