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DNA consists of two long chains of nucleotides twisted into a double helix and joined by hydrogen bonds between the complementary bases adenine and thymine or cytosine and guanine. The sequence of nucleotides determines individual hereditary characteristics.

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βˆ™ 14y ago
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βˆ™ 9mo ago

Hydrogen bonds in double-strand DNA help to stabilize the structure by forming base pairs between complementary nucleotides (adenine-thymine, guanine-cytosine). This allows the two strands to stay together, ensuring proper replication and transmission of genetic information during cell division.

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βˆ™ 15y ago

The double helix containsamino acids bonded together, (one might say it is a polymer) this is called a protein and it is what the each single strand of the helix consists of. this is because the two strands contain alternating hydrogen and oxygen which form hydrogen bonds with each other.

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βˆ™ 12y ago

It is because if DNA would be single stranded it will not be stable.Different DNAs can damage it and the life will collaspe.

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βˆ™ 14y ago

The double helix is held together by hydrogen bonds.

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βˆ™ 13y ago

They join the nitrogen base pairs together. Adenine and thymine or cytosine and guanine.

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βˆ™ 13y ago

Hydrogen bonds hold the "double" part together. Covalent bonds hold the individual helices together internally.

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Q: The purpose of the hydrogen bonds in double-strand DNA?
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Related questions

What is a hydrogen bonds job?

the purpose for hydrogen bonds is to hold the 2 strands of DNA together


What mechanism breaks hydrogen bonds in DNA?

The enzyme helicase breaks hydrogen bonds in DNA.


What types of bonds are in DNA?

Hydrogen Bonds


Why are hydrogen bonds so so essential to the structure of DNA?

Hydrogen bonds hold the DNA bases together!


By what bonds are the bases paired in DNA?

The bases in DNA are paired by hydrogen bonds.


What types of bonds holds the DNA bases together?

Strong hydrogen bonds.


What do hydrogen bonds connect in the double helix of DNA?

Hydrogen bonds connect the nitrogenous bases in the double helix of DNA.


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.


How are the four bases of DNA linked?

Bases in DNA are linked through hydrogen bonds. There are two hydrogen bonds between Adenine and Thymine There are three hydrogen bonds between Guanine and Cytosine


What kind of bonds joins DNA strands?

Hydrogen bonds


Is DNA a covalent or is it an ionic bond?

DNA is composed of covalent bonds. The backbone of DNA is made up of sugar-phosphate molecules linked by covalent bonds, while the bases are held together by hydrogen bonds. The overall structure of DNA is stabilized by a combination of covalent and hydrogen bonds.


Name of the bonds that hold the two strands of DNA together?

Hydrogen bonds are the bonds that hold the two strands of DNA together. Each base pair in DNA is held together by hydrogen bonds between complementary nitrogenous base pairs - adenine pairs with thymine (or uracil in RNA) with two hydrogen bonds, and guanine pairs with cytosine with three hydrogen bonds.