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What Is The Pairing Arrangement Of The Nitrogenous Bases. Adenine is always paired with thymine and guanine is always paired with cytosine. Please mark as brainlist.
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Adenine A with thymine T in an A-T pairing and cytosine C with guanine G in a C-G pairing. The nitrogenous bases form hydrogen bonds between opposing DNA strands to form the rungs of the twisted ladder or double helix of DNA or a biological catalyst that is found in the nucleotides. Conversely thymine only binds with adenine in a T-A pairing and guanine only binds with cytosine in a G-C pairing.
In DNA there are four nitrogenous base options.
A adenine and thymine. The nitrogen bases are also called nucleobases because they play a major role as building blocks of the nucleic acids deoxyribonucleic acid and ribonucleic acid. Adenine and thymine pair up. Both classes resemble the molecule pyridine and are nonpolar planar molecules.
