NEET 2026, Biology Q8: Biomacromolecules
NEET2026Biology
Q.
Alpha-helix is found in which level of protein structure?
- A
Secondary structure
- B
Tertiary structure
- C
Primary structure
- 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.
Concept behind this question
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