Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NEETChemistryBiomolecules

How are nucleotides joined together in a DNA or RNA molecule?

Options

  1. AThrough hydrogen bonds
  2. BThrough covalent bonds
  3. CThrough ionic bonds
  4. DThrough metallic bonds

Correct answer

B. Through covalent bonds

Step-by-step solution

Nucleotides are joined together by phosphodiester linkages, which are covalent bonds, between the 5¢ and 3¢ carbon atoms of the pentose sugar.

Practice Biomolecules on Quantrex Academy →

More from Biomolecules

What type of sugar is the stachyose? 2026What is the number of stereo structure of glucose? 2026Which of the following is having largest size? 2026Which of the following is non reducing sugar? 2026Which of the following exists as a zwitter ion ? 2026Which of the following is a disaccharide ? 2026Name the polymer in which chains are formed by -1,4-glycosidic linkages between -glucose units and branches are formed by -1,6-glycosidic linkages. 2026Match List I with List II List I (CARBOHYDRATE) List II (TYPE) (A). Glycogen (I). Oligosaccharide (B). Stachyose (II). Monosaccharide (C). Ribose (III). Polysaccharide Choose the c 2026 Full Biomolecules list All NEET PYQs