THS NGUYEÃN KHAÙNH LINH
BAØI GIAÛNG
CHÖÔNG 1
A. Acid deoxyribonucleic
I. Caáu truùc DNA
1. Caáu taïo vaø caáu truùc DNA
a. Caáu taïo
-Moãi nucleotide goàm 1 base nitô ( purin A,G hay pirimidin T,
&ÓØÖÚQJGHR[\ULERVHNKRÄQJFRÛQKRÛP2+ÖÝt-carbon
nhö ñöôøng ribose) + goác phosphat
-4 nucleotide: dATP (deoxyadenosine-triphosphat), dGTP
(deoxyguanosine-triphosphat), dCTP (deoxycytidine-
triphosphat), dTTP (deoxythymidine-triphosphat)
-&RÛKØÖÛQJtxt-Phaân bieät nucleoside