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olga nikolaevna [1]
1 year ago
13

DNA joins to another DNA molecule from which part of the DNA?​

Biology
2 answers:
Sholpan [36]1 year ago
7 0

The answer is DNA joins another DNA molecule from Intermolecular Hydrogen Bonds. Adenine forms two Hydrogen bonds with Thymine.

Cytosine forms three Hydrogen bonds with Guanine.

At each attachment point  within a polynucleotide, the 5' end of one nucleotide joins the 3' end of the adjacent nucleotide through a linkage called a phosphodiester bond (Figure 3). It is this alternating  arrangement of sugars and phosphate that forms the "backbone" of a DNA molecule.

What is DNA replication?

  • Before a cell divides, its DNA replicates (duplicates). Because the two strands of a DNA molecule have complementary base pairs, the nucleotide sequence of each strand automatically provides the information needed to make its partner. When the two strands of a DNA molecule are separated, each can be used as a  template to make a complementary strand. Each template and its new complement together  form a new DNA double helix identical to the original one.

  • Before replication can take place, the length of the  double helix of the DNA to be copied must be unwound. Also, the two strands must pull apart like the two sides of a zipper,  breaking the weak hydrogen bonds that connect the paired bases. Once the DNA strands have  unwound, they must be held apart to expose the bases so  new nucleotides can form hydrogen bonds with them.

  • The enzyme DNA polymerase then moves along the exposed strand of DNA, joining the newly arrived nucleotides into a new strand of DNA  that is complementary to the template.

To know more about DNA Replication, visit:

brainly.com/question/12439647

#QWER

avanturin [10]1 year ago
5 0
The DNA is wrapped tightly around the histone core.
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