Biochem 2B03 Naming bases strategy.docx

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Department
Biochemistry
Course
BIOCHEM 2B03
Professor
Yingfu Li
Semester
Fall

Description
Biochem 2B03 Naming nitrogenous bases Adenine---- Thymine : 2 hydrogen bonds Distance: O--H 0.28nm and N--H 0.30nm Cytosine ---- Guanine : 3 hydrogen bonds Distance: O--H 0.29nm , N--H 0.30nm , O--H 0.29nm *Hydrogen bonds pair either O--H or N—H Pyrimidine: Cytosine, Uracil and Thymine Cytosine: have N instead of N-H, one O instead of two O. Uracil: missing CH3 methyl group. Have two O. Thymine: contains the groups that the other two misses. Have two O and methyl group and N-H Purine: Adenine and Guanine [smaller ring is the same for A and G] Adenine: missing O. contain two N and
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