The structure of DNA
Lesson 9 / 9
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I can describe the structure of DNA.
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DNA is a type of biological molecule called a nucleic acid.
DNA is made of two strands, each a long polymer of nucleotides.
DNA is a polymer of four different nucleotides (A, C, G and T).
The two strands in DNA are wound together in a double helix shape.
Making a physical, representational model of DNA.
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