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Biology A
Cell level systems
Cellular processes
Nucleotides
Nucleotides
OCR GCSE Biology A (J247) — Cell level systems
What You Need to Know
Describe the composition of DNA from four different nucleotides.
Identify the components of a nucleotide as a common sugar, a phosphate group, and one of four bases.
Explain the pairing of complementary bases (A-T and G-C).
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Nucleotides
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