hÓa hỌc axit nucleic.ppt
TRANSCRIPT
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HA HC AXIT NUCLEICTS BS Nguyn Hu Ngc Tun
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MC TIUM t c cu trc phn t ca DNA & RNAM t c vai tr sinh l ca DNA, cc loi RNA & cc nucleotide
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NUCLEOTIDE L TIU N V CA DNA & RNADNA / RNAACTUG
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NUCLEOTIDE L TIU N V CA DNA & RNADNA
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NUCLEOTIDE = BASE + PENTOSE + PHOSPHATE
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PURINE & PYRIMIDINE PURINEPYRIMIDINE
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BASE NUCLEOSIDE - NUCLEOTIDEDNA
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BASE NUCLEOSIDE - NUCLEOTIDERNA
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CU NI PHOSPHODIESTER KT NI CC NUCLEOTIDE TRONG AXIT NUCLEIC
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CC NUCLEOTIDE T GP 5-Methylcytosine3,5-cyclic AMP
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TC NG CA UV LN DNA
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S TO CPD DO UV
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S TO 6-4PPs DO UVXy ra cc cp T-T, C-C & T-C
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LIN KT HYDRO & NI PHOSPHODIESTER
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LIN KT HYDRO
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CHUI I DNA TCH RI DO NHIT
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Tm & S LNG G-C CA DNA
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S BT CP CA NUCLEOTIDE KHNG PH THUC GING LOI
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CU NI PHOSPHODIESTER KT NI CC NUCLEOTIDE TRONG AXIT NUCLEIC
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CU TRC BC II CA RNA
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CU TRC BC II CA tRNA
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CU TRC KHNG GIAN DNA
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CU TRC DNA THEO WATSON-CRICK
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S BT CP KHNG TUN THEO M HNH WATSON-CRICK CA DNABT CP HOOGSTEEN (1963)
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S BT CP KHNG TUN THEO M HNH WATSON-CRICK CA DNABT CP HOOGSTEEN (1963)
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CU TRC H-DNAThng xy ra chui polypyrimidine / polypurineTriplex DNA c vai tr trong qu trnh iu ha biu hin gen (ngn cn s sao m)
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S BT CP KHNG TUN THEO M HNH WATSON-CRICK CA DNABT CP HOOGSTEEN (1963)
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S BT CP KHNG TUN THEO M HNH WATSON-CRICK CA DNAGp trn on DNA giu G promoter ca gen v telomere.
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CU TRC BT THNG CA DNA
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PALINDROMIC SEQUENCEROTATOR NURSES RUN
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SUPERCOILED DNA xon vn DNA vng vi khun, phage, virus & DNA ty th