cytosine
cytosine /ˈsaɪtəsiːn/ nghĩa là xitôzin
Các nghĩa
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xitôzin
A heterocyclic base, 4-aminopyrimidin-2(1H)-one, which pairs with guanine in DNA and RNA (by means of three hydrogen bonds).
DNA is composed of four nucleotides: adenine, thymine, cytosine and guanine.
Dạng khác
- cytosines plural