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Nucleic acids
Polymers of nucleotides
Nucleotides are composed of
Phosphate group(s), a sugar, and a nitrogenous base
Carbon numbering in ribose
1st carbon - attached to carboxylic acid
Deoxyribose
Has 1 less hydroxyl group
NucleoSIDE
The base sugar (pentose) & base X
Nitrogenous base
The nitrogenous base : Adenine, Guanine, Thymine, Cytosine in DNA
In RNA same but uracil instead of thymine
Purines
Two rings (Adenine and Guanine)
Pyrimidines
One ring. Thymine, cytosine and uracil
Nitrogenous base nucleoside names
__uiosine for purines & __idine for pyrimidines
RNA & DNA measurements
RNA - In nucleotides (nt)
DNA - In base pairs (bp)
GDP / GTP
Guanosine diphosphate / triphosphate. Helps “turn on” proteins
Protein & nucleic acid complexes are measured in?
Svedbergs
Cofactors
Non-protein organic molecule or metal ion that helps enzyme with its function. Eg: Zn 2+ ion
Protein nucleic acid complexes
Made of both RNA & protein. 2 subunits (50S & 20S)