Examlex
Radio telescopes are generally much larger in size than are optical telescopes.
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.
Adenine
A nucleotide base present in DNA and RNA, pairing with thymine in DNA and uracil in RNA, and is one of the four nucleotide bases.
Thymine
A pyrimidine base found in DNA, pairing with adenine (A) through two hydrogen bonds to assist in stabilizing the nucleic acid structures.
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