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1. The DNA double helix is held together by two types of bonds, covalent andhydrogen. Covalent bonds occur within each linear strand and strongly bond thebases, sugars, and phosphate groups (both within each component and betweencomponents).Hydrogen bonds occur between the two strands and involve a basefrom one strand with a base from the second in complementary pairing.ovalent bonds occur within each linear strand and strongly bond thebases, sugars, and phosphate groups (both within each component and betweencomponents). Hydrogen bonds occur between the two strands and involve a basefrom one strand with a base from the second in complementary pairing.
A hydrogen bond is an extremely strong bond between molecule s with a Hydrogen atom bonded to a Fluorine, Oxygen or Nitrogen atom and a molecule with a Fluorine, Oxygen or Nitrogen atom. Hydrogen bond s are notably found between the bases in DNA. Transcript ...