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Concept explainers
(a)
Interpretation:
Whether the side chain of amino acid Leucine in plasma protein is found to be present on surface of the globular protein and in contact with aqueous environment or shielded from the aqueous environment has to be explained.
Concept Introduction:
Tendency of non-polar groups to cluster themselves and shield from the contact with an aqueous environment is known as Hydrophobic effect. This effect plays an important role in folding of the polypeptide chain into three-dimensional shape. The nonpolar groups are excluded without interacting with molecules of water as water molecules stick through hydrogen bonding. Hydrophilic side chains are the ones that interact with the aqueous environment by forming hydrogen bonds.
(b)
Interpretation:
Whether the side chain of amino acid Arginine in plasma protein is found to be present on surface of the globular protein and in contact with aqueous environment or shielded from the aqueous environment has to be explained.
Concept Introduction:
Tendency of non-polar groups to cluster themselves and shield from the contact with an aqueous environment is known as Hydrophobic effect. This effect plays an important role in folding of the polypeptide chain into three-dimensional shape. The nonpolar groups are excluded without interacting with molecules of water as water molecules stick through hydrogen bonding. Hydrophilic side chains are the ones that interact with the aqueous environment by forming hydrogen bonds.
(c)
Interpretation:
Whether the side chain of amino acid Serine in plasma protein is found to be present on surface of the globular protein and in contact with aqueous environment or shielded from the aqueous environment has to be explained.
Concept Introduction:
Tendency of non-polar groups to cluster themselves and shield from the contact with an aqueous environment is known as Hydrophobic effect. This effect plays an important role in folding of the polypeptide chain into three-dimensional shape. The nonpolar groups are excluded without interacting with molecules of water as water molecules stick through hydrogen bonding. Hydrophilic side chains are the ones that interact with the aqueous environment by forming hydrogen bonds.
(d)
Interpretation:
Whether the side chain of amino acid Arginine in plasma protein is found to be present on surface of the globular protein and in contact with aqueous environment or shielded from the aqueous environment has to be explained.
Concept Introduction:
Tendency of non-polar groups to cluster themselves and shield from the contact with an aqueous environment is known as Hydrophobic effect. This effect plays an important role in folding of the polypeptide chain into three-dimensional shape. The nonpolar groups are excluded without interacting with molecules of water as water molecules stick through hydrogen bonding. Hydrophilic side chains are the ones that interact with the aqueous environment by forming hydrogen bonds.
(e)
Interpretation:
Whether the side chain of amino acid Phenylalanine in plasma protein is found to be present on surface of the globular protein and in contact with aqueous environment or shielded from the aqueous environment has to be explained.
Concept Introduction:
Tendency of non-polar groups to cluster themselves and shield from the contact with an aqueous environment is known as Hydrophobic effect. This effect plays an important role in folding of the polypeptide chain into three-dimensional shape. The nonpolar groups are excluded without interacting with molecules of water as water molecules stick through hydrogen bonding. Hydrophilic side chains are the ones that interact with the aqueous environment by forming hydrogen bonds.
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Chapter 27 Solutions
Organic Chemistry
- For the tripeptide GlyAlaCys a. What amino acid is located at the peptides N-terminal end? b. What amino acid is located at the peptides C-terminal end? c. How many peptide bonds are present? d. How many amide linkages are present?arrow_forwardWhich is NOT a characteristic of proteins? a. They contain genetic information. b. They can act as hormones. c. They can catalyze chemical reactions. d. They act in cell membrane trafficking.arrow_forwardGive one example of a conjugated protein that contains the following prosthetic group: a.iron b.lipid c.phosphate group d.carbohydrate e.hemearrow_forward
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