Hydrogen bonding.
The Ligase connects nucleotides together during DNA replication.
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.
The DNA backbone is made of phosphate group and deoxyribose, and they are held together by covalent bonding.
Base pairs in DNA molecules are held together by hydrogen bonds between the nitrogenous bases.
The enzyme that connects Okazaki fragments during DNA replication is DNA ligase. DNA ligase is also involved in repairing nicks in the sugar-phosphate backbone of DNA during processes such as base excision repair and mismatch repair.
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The two strands of DNA are held together by hydrogen bonds.
The nitrogen bases are held together in the center of the DNA molecule by hydrogen bonds. These bonds form between specific base pairs: adenine (A) with thymine (T), and guanine (G) with cytosine (C). The hydrogen bonds provide stability to the DNA double helix structure.
DNA polymerase is the enzyme that connects nucleotides together during DNA replication. It not only facilitates the formation of phosphodiester bonds between nucleotides but also has proofreading capabilities, allowing it to check for and correct errors in the newly synthesized DNA strand. This proofreading function enhances the fidelity of DNA replication, ensuring that the genetic information is accurately transmitted.
One difference between DNA and RNA is that DNA has a nitrogen base pyrimidine thymine that connects with purine adenine. In RNA, thymine is replaced by another pyrimidine called uracil.
The DNA strands are held together by hydrogen bonds between complimentary base pairs.
DNA can be compared to a zipper because just like how the teeth of a zipper interlock to hold two sides together, DNA's complementary base pairs (adenine-thymine, guanine-cytosine) bond together to form a double helix structure. This bond between the base pairs enables DNA to store and transmit genetic information.