Exam (elaborations)
A level Biology Complete Exam 2023.
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A level Biology Complete Exam 2023.Purines - ANSWER Bases with a double-ring structure. Adenine and Guanine Pyrimdines - ANSWER Bases with a single-ring structure (cytosine, thymine, uracil) How polynucleotides form - ANSWER mononucleotides join together by condensation reaction between the ...
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