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Concept explainers
(a)
Interpretation:
The function or biological activity of collagen in the body should be determined.
Concept Introduction:
The primary structure of protein is the sequence of amino acids. The a-helix and β-sheet structure are the secondary structures. Similarly tertiary and quaternary structures also have certain weak intermolecular forces. These structures have different intermolecular forces between peptide chains like hydrogen bonds, S-S bonds etc. which get altered after heating or in the presence of certain chemicals. Hence these structures get changed during denaturation of protein.
(b)
Interpretation:
The function or biological activity of hemoglobin in the body should be determined.
Concept Introduction:
The primary structure of protein is the sequence of amino acids. The a-helix and β-sheet structure are the secondary structures. Similarly tertiary and quaternary structures also have certain weak intermolecular forces. These structures have different intermolecular forces between peptide chains like hydrogen bonds, S-S bonds etc. which get altered after heating or in the presence of certain chemicals. Hence these structures get changed during denaturation of protein.
(c)
Interpretation:
The function or biological activity of vasopressin in the body should be determined.
Concept Introduction:
The primary structure of protein is the sequence of amino acids. The a-helix and β-sheet structure are the secondary structures. Similarly tertiary and quaternary structures also have certain weak intermolecular forces. These structures have different intermolecular forces between peptide chains like hydrogen bonds, S-S bonds etc. which get altered after heating or in the presence of certain chemicals. Hence these structures get changed during denaturation of protein.
(d)
Interpretation:
The function or biological activity of pepsin in the body should be determined.
Concept Introduction:
The primary structure of protein is the sequence of amino acids. The a-helix and β-sheet structure are the secondary structures. Similarly tertiary and quaternary structures also have certain weak intermolecular forces. These structures have different intermolecular forces between peptide chains like hydrogen bonds, S-S bonds etc. which get altered after heating or in the presence of certain chemicals. Hence these structures get changed during denaturation of protein.
(e)
Interpretation:
The function or biological activity of met-enkephalin in the body should be determined.
Concept Introduction:
The primary structure of protein is the sequence of amino acids. The a-helix and β-sheet structure are the secondary structures. Similarly tertiary and quaternary structures also have certain weak intermolecular forces. These structures have different intermolecular forces between peptide chains like hydrogen bonds, S-S bonds etc. which get altered after heating or in the presence of certain chemicals. Hence these structures get changed during denaturation of protein.
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Chapter 21 Solutions
EBK GENERAL, ORGANIC, & BIOLOGICAL CHEM
- 22-48 How many amino acid residues in the A chain of insulin are the same in insulin from humans, cattle (bovine), hogs, and sheep?arrow_forwardWhat special role does the amino acid cysteine have in the peptides vasopressin and oxytocin?arrow_forward22-53 Do iron and zinc ions play role in protein structure? If so, what is the role for either or both?arrow_forward
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