AAB Molecular Diagnostics DNA & RNA Revised Exam [100% PASS]

AAB Molecular Diagnostics DNA & RNA Revised Exam [100% PASS] A double helical structure first described by Watson and Crick? *Ans* DNA (deoxyribonucleic acid) What are the 4 nitrogen bases that make up the majority of DNA? *Ans* Adenine, cytosine, guanine, and thymine. Consists of a five carbon sugar with the first carbon covalently joined to a nitrogen base and the fifth carbon joined to a triphosphate moiety? *Ans* Nucleotides A nitrogen base bound to an unphosphorylated sugar? *Ans* Nucleoside What are the 4 nitrogen bases that make up the majority of RNA? *Ans* Adenine, cytosine, guanine, and uracil. How many hydrogen bonds does guanine and cytosine have? *Ans* Three How many hydrogen bonds does adenine and thymine form? *Ans* Two