Transcription of nucleoside nucleotides
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174340 Chapter 28: Nucleosides, nucleotides , and Nucleic acids are the third class of biopolymers (polysaccharidesand proteins being the others)Two major classes of nucleic acidsdeoxyribonucleic acid (DNA): carrier of genetic informationribonucleic acid (RNA): an intermediate in the expressionof genetic information and other diverse rolesThe Central Dogma (F. Crick):DNA mRNA protein (genome) (transcriptome) (proteome)The monomeric units for nucleic acids are nucleotidesNucleotides are made up of three structural subunits1. Sugar: ribose in RNA, 2-deoxyribose in DNA2. Heterocyclic base3. Phosphate341sugarbasesugarbasephosphates ugarbasephosphatesugarbasephosphatesugar basephosphatenucleosidenucleotidesnuclei c acidsNucleoside, nucleotides and nucleic acidsThe chemical linkage between monomer units in nucleic acidsis a : Pyrimidines and Purines.
a core of proteins known as histones. The DNA-histone assembly is called a nucleosome. Histones are rich is lysine and arginine residues. Pdb code 1kx5 351 28.10: Replication of DNA. The Central Dogma (F. Crick): DNA repl icaton t DNA ra nsc ipto tmRNA r a nsltio Protein (genome) (transcriptome) (proteome)
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