QUESTION 9 Which one of the following mutations in the primary structure would you expect to cause the most drastic alteration in the functional performance of a pro O Replacement of Val with Ala O Replacement of Glu with Lys O Replacement of Asp with Glu O Replacement of Lys with Arg Replacement of Ser with Thr

Organic Chemistry
9th Edition
ISBN:9781305080485
Author:John E. McMurry
Publisher:John E. McMurry
Chapter28: Biomolecules: Nucleic Acids
Section28.SE: Something Extra
Problem 22AP: Human and horse insulin both have two polypeptide chains, with one chain containing 21 amino acids...
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QUESTION 9
Which one of the following mutations in the primary structure would you expect to cause the most drastic alteration in the functional performance of a protein?
O Replacement of Val with Ala
O Replacement of Glu with Lys
O Replacement of Asp with Glu
O Replacement of Lys with Arg
O Replacement of Ser with Thr
Which one of the following statements (A-D) about the alpha-helix is FALSE?
O The alpha-helix is right-handed.
O There are 3.6 amino acid residues per turn in an alpha-helix.
O The R groups of the amino acids are externally directed.
O The alpha-helix is primarily stabilized by hydrophobic interactions.
O none of the above
What is the major force that contributes to the conformation of globular proteins that occurs primarily in their interior?
O hydrogen bonds
O salt bridges
O hydration by water
O hydrophobic interactions
disulfide bonds
Transcribed Image Text:QUESTION 9 Which one of the following mutations in the primary structure would you expect to cause the most drastic alteration in the functional performance of a protein? O Replacement of Val with Ala O Replacement of Glu with Lys O Replacement of Asp with Glu O Replacement of Lys with Arg O Replacement of Ser with Thr Which one of the following statements (A-D) about the alpha-helix is FALSE? O The alpha-helix is right-handed. O There are 3.6 amino acid residues per turn in an alpha-helix. O The R groups of the amino acids are externally directed. O The alpha-helix is primarily stabilized by hydrophobic interactions. O none of the above What is the major force that contributes to the conformation of globular proteins that occurs primarily in their interior? O hydrogen bonds O salt bridges O hydration by water O hydrophobic interactions disulfide bonds
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