cytosine
🇺🇸
/ˈsaɪtəsiːn/
🇬🇧
/ˈsaɪtəsiːn/
A molecule found in DNA and RNA that helps store genetic information.
Cytosine is one of the key components that make up the genetic code in all living organisms.
胞嘧啶是构成所有生物遗传密码的关键成分之一。