Nucleotide Bases
Nucleotide Bases. Each base has a slightly different shape Refer to by first letter of name (A,T,G,C) Chargaff’s Rules 1950’s – Biochemist Erwin Chargaff Found: Amount of Adenine always = Amount of Thymine Amount of Guanine always = Amount of Cytosine. DNA Structure. Double Helix
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