What is the difference between a peptide and a protein? 2. What type of bond is the peptide bond? Explain why the peptide bond is rigid. 3. The pentapeptide Gln-Tyr-Asn-Ala-Asp is present in human cerebrospinal fluid, and its concentration increases in demyelinating diseases. In these diseases, the myelin sheath of nerves is damaged and impairs the conduction of nerve signals. a. What is the N-terminal amino acid? b. What is the C-terminal amino acid? c. How many peptide bonds does this pentapeptide contain? From how many amino acids is this pentapeptide derived? d. Write the structure, the three-letter designation and the IUPAC name of this pentapeptide.
What is the difference between a peptide and a protein? 2. What type of bond is the peptide bond? Explain why the peptide bond is rigid. 3. The pentapeptide Gln-Tyr-Asn-Ala-Asp is present in human cerebrospinal fluid, and its concentration increases in demyelinating diseases. In these diseases, the myelin sheath of nerves is damaged and impairs the conduction of nerve signals. a. What is the N-terminal amino acid? b. What is the C-terminal amino acid? c. How many peptide bonds does this pentapeptide contain? From how many amino acids is this pentapeptide derived? d. Write the structure, the three-letter designation and the IUPAC name of this pentapeptide.
Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN:9781305389892
Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Chapter3: Biological Molecules: The Carbon Compounds Of Life
Section: Chapter Questions
Problem 8TYK: The first and major effect in denaturation of proteins is that: a. peptide bonds break. b. helices...
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What is the difference between a peptide and a protein?
2. What type of bond is the peptide bond? Explain why the peptide bond is rigid.
3. The pentapeptide Gln-Tyr-Asn-Ala-Asp is present in human cerebrospinal fluid, and its
concentration increases in demyelinating diseases. In these diseases, the myelin sheath of
nerves is damaged and impairs the conduction of nerve signals.
a. What is the N-terminal amino acid?
b. What is the C-terminal amino acid?
c. How many peptide bonds does this pentapeptide contain? From how many amino acids
is this pentapeptide derived?
d. Write the structure, the three-letter designation and the IUPAC name of this
pentapeptide.
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