A beta-pleated sheet is stabilized by
A) hydrogen bonding between backbone atoms of residues located in adjacent beta strands
B) van der Waals interactions between R-group atoms that extend perpendicularly from the plane of the sheet
C) ionic bonding between R-group atoms of residues located near one another
D) peptide bonding between backbone atoms of adjacent beta strands
Correct Answer:
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Q21: A particular polypeptide has a molecular weight
Q22: The Dalton unit, which is used to
Q23: An average molecular weight for a protein
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A) its
Q25: An alpha helix is stabilized by
A) van
Q27: Short unstructured regions of a protein that
Q28: In a beta-pleated sheet,
A) adjacent polypeptide strands
Q29: Which of the following is NOT true
Q30: A common structural element in fibrous proteins
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