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DPSCD_Biology Sem 2 CR-SS051VGS2E
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DNA and RNA Structure
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DNA is made of two chains of nucleotides. Which type of bonds hold the chains together?
hydrogen bonds
covalent bonds
ionic bonds
polar covalent bonds



Answer :

GinnyAnswer

Final answer:

DNA is composed of two chains of nucleotides held together by hydrogen bonds between specific bases and covalent bonds along the strands.


Explanation:

DNA is made of two chains of nucleotides. The chains are held together by hydrogen bonds between adenines (A) and thymines (T), and between guanines (G) and cytosines (C). Covalent bonds connect the phosphates and sugars of adjacent nucleotides forming the strands.


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