Fundamentholfundamenthol
NEET2026Biology
Q.

Alpha-helix is found in which level of protein structure?

  1. A

    Secondary structure

  2. B

    Tertiary structure

  3. C

    Primary structure

  4. D

    Quaternary structure

Solution

The alpha-helix is a right-handed helical arrangement seen in the secondary structure of proteins.

The primary structure is the linear sequence of amino acids, the tertiary structure has a folded three-dimensional ball-like shape, and the quaternary structure involves the assembly of more than one polypeptide chain.

← Back to full paper

Practice more Biology

Concept-wise practice with instant solutions on Fundamenthol.

Start practicing →