The Presence of a Hydrophobic Amino Acid at Every Third $\alpha$

question 10

Multiple Choice

The presence of a hydrophobic amino acid at every third or fourth residue in $\alpha$ -keratin results in which of the following?

• A)a random placement of hydrophobic amino acids within the helix
• B)a strip of hydrophobic surface area that, when combined with another monomer, results in the formation of a dimer through hydrophobic interactions
• C)a strip of hydrophobic surface area that causes individual \(\alpha\)-keratin molecules to fold back on themselves through hydrophobic interactions
• D)represents a deleterious mutation that causes the \(\alpha\)-keratin molecules to aggregate and form plaques
• E)none of the above

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