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Nukleotidi

Kutoka Wikipedia, kamusi elezo huru
DNA Nucleotides.

Nukleotidi ni vipande vya kimsingi vya muundo wa molekuli za asidi nucleic, ambazo ni DNA na RNA. Kila nukleotidi ina sehemu tatu muhimu: sukari (kama vile deoxyribose kwa DNA au ribose kwa RNA), kikundi cha fosfeti, na kiungo cha nucleobase.

Nucleobase inaweza kuwa adenine (A), thymine (T) kwa DNA, uracil (U) kwa RNA badala ya thymine, cytosine (C), au guanine (G). Hivyo, nukleotidi inaweza kuwa na mojawapo ya nucleobases hizi.

Kwa kifupi, nukleotidi ni sehemu ndogo za muundo wa DNA na RNA, na kila moja huchangia kwa kubeba habari za maumbile na kusaidia katika shughuli za kibaolojia zinazohusiana na urithi na uendeshaji wa seli[1] .


  1. Zaharevitz DW, Anderson LW, Malinowski NM, Hyman R, Strong JM, Cysyk RL (Novemba 1992). "Contribution of de-novo and salvage synthesis to the uracil nucleotide pool in mouse tissues and tumors in vivo". European Journal of Biochemistry. 210 (1): 293–6. doi:10.1111/j.1432-1033.1992.tb17420.x. PMID 1446677.{{cite journal}}: CS1 maint: date auto-translated (link)
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