Interactions that create tertiary and quaternary protein structures include _____________________Group of answer choicesHydrophobic and S-S bondsIonic and H bondsCovalent and H bondsH bonds, disulfide linkages, hydrophobic interactions, and salt bridges
Question
Interactions that create tertiary and quaternary protein structures include _____________________Group of answer choicesHydrophobic and S-S bondsIonic and H bondsCovalent and H bondsH bonds, disulfide linkages, hydrophobic interactions, and salt bridges
Solution
The interactions that create tertiary and quaternary protein structures include Hydrogen bonds, disulfide linkages, hydrophobic interactions, and salt bridges.
Here's a step-by-step explanation:
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Hydrogen Bonds: These are weak bonds that occur when a hydrogen atom bonded to a highly electronegative atom (like oxygen or nitrogen) is attracted to another electronegative atom in a different molecule or in a different part of the same molecule.
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Disulfide Linkages: These are covalent bonds that form between two cysteine residues in a protein. The sulfur of one cysteine bonds with the sulfur of another cysteine to create a disulfide bridge or bond, which helps stabilize the protein structure.
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Hydrophobic Interactions: These interactions occur between nonpolar amino acids. In an aqueous environment, the nonpolar (hydrophobic) regions of the protein tend to cluster together, away from the water, which helps to fold the protein into its correct shape.
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Salt Bridges: These are ionic bonds that form between positively and negatively charged amino acids. They help stabilize the protein structure by neutralizing these charges.
Similar Questions
Which of the following interactions are present in the tertiary structure of a protein?Group of answer choicesHydrogen bondsAll are present.Disulfide bondsLondon dispersion forces PreviousNext
During protein folding, which of the following interactions stabilize secondary, tertiary, or quaternary structures?Hydrogen bondsIonic bondsvan der Waals forcesPeptide bondsA.I and II onlyB.III and IV onlyC.I, II, and III onlyD.I, III, and IV only
What is not true regarding Quaternary structure of protein a) It involves the clustering of several individual peptide or protein chains into a final specific shape. b) Removing the protein subunits can still maintain functionality of respective subunits c) All type of bonds such as hydrogen bonds, ionic bonds, hydrophobic interactions and disulfide bridges play a role d) Quaternary structure involves assembly of same kind of protein subunits
What is the quaternary structure of a protein?Group of answer choicesIt is 3D arrangement of localized regions of a protein.It is a shape adopted by two or more folded polypeptide chains.It is 3D shape adopted by the entire polypeptide chain.It is the sequence of amino acids joined together by amide bonds.
List the types of bonding that determine the tertiary structure of a protein. (3 marks)
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