Regarding the intricate secondary structures of proteins, which of the following statements are chem — Biomolecules Chemistry Question

💡 Solution & Explanation

The $\alpha$ -helix forms a right-handed coil stabilized by *intra*molecular hydrogen bonding within the very same polypeptide chain, not intermolecular. $\beta$ -pleated sheets rely on inter-chain hydrogen bonds. Peptide bonds have partial double bond character due to resonance, enforcing strict regional planarity.