What is the composition of a DNA molecule? A DNA molecule is composed of two chains of nucleotides. The nucleotide chains are paired by hydrogen b...
What is the composition of a DNA molecule?
A DNA molecule is composed of two chains of nucleotides.
The nucleotide chains are paired by hydrogen bonds between their nitrogenous bases.
The nitrogenous bases adenine and thymine are paired by two hydrogen bonds.
The nitrogenous bases cytosine and guanine are paired by three hydrogen bonds.
The nitrogenous bases can be purines (adenine and guanine) or pyrimidines (thymine and cytosine).
A DNA molecule is composed of two chains of nucleotides.
The nucleotide chains are paired by hydrogen bonds between their nitrogenous bases.
The nitrogenous bases adenine and thymine are paired by two hydrogen bonds.
The nitrogenous bases cytosine and guanine are paired by three hydrogen bonds.
The nitrogenous bases can be purines (adenine and guanine) or pyrimidines (thymine and cytosine).
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A molécula de DNA é composta por duas cadeias de nucleotídeos. As cadeias de nucleotídeos são pareadas por ligações de hidrogênio entre suas bases nitrogenadas. As bases nitrogenadas adenina e timina são pareadas por duas ligações de hidrogênio, enquanto as bases nitrogenadas citosina e guanina são pareadas por três ligações de hidrogênio. As bases nitrogenadas podem ser purinas (adenina e guanina) ou pirimidinas (timina e citosina).
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