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An amphipathic helices in a protein is characterized by A) polar residues on one

ID: 21153 • Letter: A

Question

An amphipathic helices in a protein is characterized by
A) polar residues on one face of the helix with non-polar residues predominantly on the other face of the
helix
B) charged amino acids clustered at either the N-terminus or the C-terminus of the peptide
C) helices which exhibit characteristics of the alpha-helix and the collagen helix
D) helices in which the polar and non-polar residues are randomly positioned in the alpha helix
E) alpha helices that interact only with beta sheets in proteins

Explanation / Answer

D) helices in which the polar and non-polar residues are randomly positioned in the alpha helix

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