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DNA contains four nucleotide bases, which are adenine, thymine, cytosine and guanine. The pairs of nucleotides that can be held together by weak hydrogen bonds are purines and pyrimidines.

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How are nucleic acids held together?

Nucleic acids are held together by phosphodiester bonds between the sugar and phosphate groups of adjacent nucleotides in the backbone of the molecule. Additionally, hydrogen bonds between nitrogenous bases in complementary strands help stabilize the double-stranded structure of DNA or RNA.


What type of bond holds a nucleotide together and connects each nucleotide in a DNA strand?

The backbone of the nucleotides are composed of repeating ribose (in RNA) or deoxyribose (in DNA) and phosphates held together by phosphodiester bonds between the 5's and 3's of the ribose/deoxyribose.


In DNA base pairs are held together by what kinds of bonds?

DNA base pairs are held together by Hydrogen Bonds. Adenine and Thymine have 2 bonds that hold them together while Cysteine and Guanine have 3 bonds that hold them together. The hydrogen bonds generally occur between a Nitrogen and a carbonyl oxygen.


What holds DNA bases together?

DNA bases are held together by hydrogen bonds. Adenine pairs with thymine through two hydrogen bonds, while guanine pairs with cytosine through three hydrogen bonds. These interactions contribute to the stability of the DNA double helix structure.


What bond is between nucleic acids?

In producing a strand of DNA the nucleotides combine to form phosphodiester bonds.


How are nucleotides joined together within a single DNA strand?

I just did this paper in Biology, the answer is Hydrogen bonds! :)


How are base held together?

hydrogen bonds


How many bonds hold the bases of C and G together?

Adenine and Thymine Guanine and Cytosine held together by hydrogen bonds: 2 for A-T and 3 for G-C


What two things would happen if hydrogen bonds held the backbones together but covalent bonds held the templates together?

Hydrogen bonds are weak, but they are able to hold the backbones together. If covalent bonds held the templates together instead, the bonds would be even weaker and would likely break.


How are the bases in the base pair held together?

hydrogen bonds


What bond DNA forms a double helix?

DNA forms a double helix structure due to hydrogen bonds between complementary base pairs. Adenine pairs with thymine, while guanine pairs with cytosine, creating the stable double-stranded DNA molecule.


Paired bases are held together by weak bonds called?

Hydrogen bonds