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Hydrogen bonds between the purines and pyrimidines. A and T form 2 hydrogen bonds, and G and C form three.

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Q: The two sides of the dna molecule are held together by what?
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Related questions

How are the backbones of DNA held together?

with the sides of dna which are sugar and phosphate


How is a DNA molecule held together and separated by?

A DNA molecule is held together by its hydrogen bonds. The bonds are in between the bases of the molecule, for example cytosine and guanine. Because hydrogen bonds are weak, they are able to break apart easily and split when the molecule needs to be separated to bond with another DNA molecule for reproduction.


What are the two sides of the DNA helix held together by?

Hydrogen bonds.


The two strands of a DNA molecule are held together by what?

Hydrogen Bonds


The double-stranded DNA molecule is held together by four chemical components called?

The double-stranded DNA molecule is held together by four chemical components called bases. Horse isle Real Time Quiz Answer: Bases


How are the nitrogen bases held together in the center of the DNA molecule?

The nitrogen bases bond A-T and C-G via hydrogen bonds. The bases are held together in the string by a backbone of alternating phosphate and sugar molecules.


What connects the backbone of the DNA molecule together?

The DNA backbone is made of phosphate group and deoxyribose, and they are held together by covalent bonding.


The two strands of a DNA molecule are held together by?

The strands of the DNA double helix are held together by hydrogen bonds


What makes up the sides of a DNA molecule?

The sides (uprights) of the DNA molecule are composed of alternating deoxyribose sugar molecules and phosphate molecules.


Both sides of a DNA molecule are what?

Duplicated


What hold the side of DNA ladder together?

what holds the sides of the DNA ladder together


What holds two strands of dna molecule to each other?

The two strands of DNA are held together by hydrogen bonds between the nitrogen base pairs.