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EasyRe-NEET 2026
+4 / -1
The correct statement about peptides and proteins is
A
Tertiary structure of proteins has two or more polypeptide subunits
B
Only the proteins having a quaternary structure are biologically active.
C
In β-pleated sheet structures, peptide chains are held together by intermolecular hydrogen bonds.
D
In α-helices, the polypeptide chain is twisted into a left-handed screw (helix) through intramolecular hydrogen bonds.
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