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Complementary strands of DNA are held together by hydrogen bonds connecting complementary bases.

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In DNA, the complementary strands of the double helix are held together by the bases via hydrogen bonds.

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Q: . How are complementary strands of DNA held together?
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How do DNA strands join together?

The two strands are held together by Hydrogen bonds between the complementary base pairs (A to T and G to C). These bonds break, and the strands separate, when enough heat is added or the DNA is placed in an alkali environment.


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

Hydrogen Bonds


Why is it relatively easy for the 2 strands of a DNA molecule to come apart so that they can participate in DNA synthesis?

The two strands of DNA are held together by Hydrogen bonds, the weakest of atomic bonding.


The two polynucleotide chains in DNA molecule are attracted to each other by what?

Between nucleotides, there is a phosphodiester bond between the phosphate group of one nucleotide and the sugar of another nucleotide. Nucleotides (such as Adenine and Thymine) are held together on two strands of DNA through hydrogen bonding. This doesn't keep nucleotides together in a strand, but helps in the structure of two corresponding strands of DNA.


Which type of chemical bonding holds the two strands of DNA together in the double helix?

When two strands of DNA that have exactly complementary base pairing (Adenine bonds with only Thymine, and Cytosine with Guanine) the base forms a hydrogen bond to the base on the opposite strand, only if the base pairing is complementary. So, in short the double helix form is held together by hydrogen bonds between the bases present on the strand. This means as the two strands are split apart, a new complimentary strand is formed against each, resulting in two identical double helices where there was just one before. It is by this means that the instructions for the code of life are copied and passed on.

Related questions

How are complementary of DNA held together?

Complementary strands of DNA are held together by hydrogen bonds connecting complementary bases.


The two complementary strands of DNA are held together by?

these nutts


How can you recognize design in DNA?

dna is a double stranded structure consisting of two complementary strands which are held together by hydrogen bonding between the base pairs of the two strands


If the DNA strands are matched up what does that mean?

This means the two strands of DNA are complementary.


How do DNA strands join together?

The two strands are held together by Hydrogen bonds between the complementary base pairs (A to T and G to C). These bonds break, and the strands separate, when enough heat is added or the DNA is placed in an alkali environment.


What is involved in the inter-chain linkage between complementary strands of DNA?

Hydrogen bonding is involved in linking both strands together .


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 type of bonds holds DNA strands together?

DNA strands are held together by hydrogen bonds.


The two strands of DNA molecules are held together by?

base pairs


How many strands of DNA are used to make complementary DNA?

12


Bond type created by DNA ligase?

DNA ligase links together two DNA strands that have double-strand break (a break in both complementary strands of DNA). DNA ligase creates a phosphodiester bond to fully repair the DNA.


How are the strands of a dna molecule related to eachother?

They are complementary.