Addition of strong acid or base to a protein disrupts its disulfide bridges and electrostatic interactions
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A:
Modified true or false. Write the correct answer if false.
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- What kinds of bonds often control the shape (or tertiary form) of large molecules such as proteins? a. hydrogen b. ionic c. covalent d. inert e. singleThe mutual attraction of opposite charges holds atoms together as molecules in a(n) _____ bond. a. ionic b. hydrogen c. polar covalent d. nonpolar covalentWhich of the following levels of protein structure may be affected by hydrogen bonding? (a) primary and secondary (b) primary and tertiary (c) secondary, tertiary, and quaternary (d) primary, secondary, and tertiary (e) primary, secondary, tertiary, and quaternary
- A(n) _______ substance repels water. a. acidic b. basic c. hydrophobic d. polarThe mutual attraction of opposite charges holds atoms together as molecules in an _______ bond. a. ionic c. polar covalent b. hydrogen d. nonpolar covalentAn ________ can help keep the pH of a solution stable. a. covalent bond c. buffer b. hydrogen bond d. free radical
- Unlike saturated fatty acids, the tails of unsaturated fatty acids incorporate one or more _______. a. phosphate groups b. glycerols c. double bonds d. single bondsIn ________ reactions, small molecules are linked by covalent bonds, and water can also form. a. hydrophilic b. hydrolysis c. condensation d. ionicWhich of the which of the following forces are involved in maintaining the primary structure of a protein? covalent bonds hydrogen bonds ionic interactions hydrophobic interactions
- An important aspect of transport by facilitated transporters and pumps is _______. rigidity secondary structure change of amino acids conformational changesHydrophobic interactions associated with protein tertiary structure involves: Acidic and basic amino acid side chains All of the above Nonpolar amino acid side chains Hydrogen bonding between polar amino acid side chainsWhich of the following factor(s) may contribute to the stability of folded protein structures? Disulfide bonds. Hydrophobic effect. Electrostatic interactions. Hydrogen bonds. All of the above.
