$\alpha$-keratin found in nails has more strength than $\alpha$-keratin found in hair due to presence of more ___________.

Question

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Disulfide bridges provide more strength to keratin found in nails as they cross-link the protein chains, making them more rigid and resistant to breakage. The presence of disulfide bonds in hair keratin is lower, leading to weaker strength compared to nail keratin.

α\alphaα -Keratin Found in Nails Has More Strength Than α\alphaα -Keratin Found in Hair Due to Presence of More ___________

$\alpha$ -Keratin Found in Nails Has More Strength Than $\alpha$ -Keratin Found in Hair Due to Presence of More ___________