Examlex
The Hutus and Tutsis fought for control of Uganda.
Hydrogen Bonds
A type of weak chemical bond that occurs when a hydrogen atom bonded to a highly electronegative atom, such as oxygen or nitrogen, experiences an attraction to another electronegative atom.
Cytosine
A pyrimidine base found in DNA and RNA that pairs with guanine.
Guanine
One of the four main nucleobases found in DNA and RNA, it pairs with cytosine during DNA replication.
Hydrogen Bonds
Weak bonds formed between a hydrogen atom and a more electronegative atom, important in the structure of DNA and proteins.
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