Disulfide bridges can be formed by structures. O Methionine; tertiary and quaternary OCysteine; primary, secondary, tertiary and quaternary Methionine; secondary, tertiary and quaternary Cysteine; tertiary and quaternary and helps in stabilizing
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- The disulfide bond— is a hydrogen bond in which the sulfhydryl group is the hydrogen donor. is an ionic bond involving a divalent ion and a sulfate. is a weak dipole attraction connecting two sulfhydryl groups. is a covalent bond formed by oxidation. is a special form of peptide bond linking two cysteine residualsSerine, cysteine, threonine can participate in hydrogen bonding. Valine cannot. Explain differences in structure that cause this.Type of Bond: Choices: H-bond Electrostatic Interaction Hydrophobic bond Disulfide bond Peptide bond Level of Protein structure: Choices: Primary Secondary Tertiary Quaternary Method/s of denaturation. CHECK ALL THAT APPLY Heating to 100 degrees Celsius Addition of nitric acid Reaching Isoelectric point Addition of mercuric chloride Addition of sulphosalicylic acid Addition of alcohol Addition of ammonium sulfate
- The disulfide bond between two cysteine residues— is a weak ion-induced dipole attraction. is an ionic bond that is stable at physiological pH. is a covalent bond formed by oxidation. is a hydrogen bond between the two sulfhydryl groups. is a special form of peptide bond.Which 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 quaternaryThe AT base pair has ______ hydrogen bonds while the CG base pair has ______ hydrogen bonds 2, 2 2, 3 3, 2 3, 3 Collagen formation needs Vitamin C to _____ proline to ________. reduce, pyrolidine carbaldehyde reduce, hydroxyproline oxidize, pyrolidine carbaldehyde oxidize, hydroxyproline
- Formation of disulfide bonds can contribute to ______ structure. (Select all that apply!) Primary Secondary Tertiary QuaternaryWhich 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.Name and describe the 4 major types of macromolecules, identify and describe their monomers, polymers (including parts if applicable)
- Which of the following levels of protein structure can involve covalent bond formation? A) Primary B) Secondary C) Teritary D) Quaternary E) Primary and teritary F) Primary, teritary and quaternaryThe structural level of a protein least affected by a disruption in hydrogen bonding is the a. primary b.secondary c. tertiary d. quaternaryHemoglobin is a protein that carries oxygen in the blood. It is formed by two alpha subunits and two beta subunits. Which of the following statements about hemoglobin is INCORRECT? a. The structure of hemoglobin is stabilized by hydrogen bonding, hydrophobic packing and hydrophilic exposure. b. Hemoglobin has primary, secondary and tertiary structures, but no quaternary structure. c. Hemoglobin is a hetero-tetramer as it is formed by four subunits. d. It is an oligomer.