The Intermolecular Force Between Bases on the Opposite Strands of DNA

question 8

Multiple Choice

The intermolecular force between bases on the opposite strands of DNA responsible for its double-helical structure is

• A) hydrogen bonding..
• B) dispersion force..
• C) covalent bonding.
• D) ionic force
• E) dipole-dipole force

---

Definitions:

Pentose Sugar

A type of simple sugar (monosaccharide) with five carbon atoms in its molecule, essential in the structure of RNA and DNA.

Cohesive Property

The characteristic of molecules sticking together due to mutual attraction, important for the surface tension of water and capillary action.

Adhesive Property

Adhesive property refers to the ability of a substance to stick or bind to the surface of another material.

Electronegativity

A measure of an atom's ability to attract and hold onto electrons when it forms a chemical bond.