Protein Stability Which of the following is the most correct? All hydrophobic amino acids are buried when a protein folds Charged amino acids are never buried in the interior of a protein Tyrosine is only found in the interior of proteins Charged amino acids are seldom buried in the interior of a protein All hydrophobic amino acids are buried when a protein folds Charged amino acids are never buried in the interior of a protein Tyrosine is only found in the interior of proteins Charged amino acids are seldom buried in the interior of a protein ANSWER DOWNLOAD EXAMIANS APP
Protein Stability Which of the following forces is the most unfavorable for protein folding? Electrostatic interactions Hydrophobic interactions Vander Waals interactions Conformational entropy Electrostatic interactions Hydrophobic interactions Vander Waals interactions Conformational entropy ANSWER DOWNLOAD EXAMIANS APP
Protein Stability Unpaired H-bond donors and acceptors are found in the hydrophobic core of a protein rarely only at the turns connecting p-strands only on Pro residues only at the ends of a-helices rarely only at the turns connecting p-strands only on Pro residues only at the ends of a-helices ANSWER DOWNLOAD EXAMIANS APP
Protein Stability The correlation between free energy ΔG transfer between the aqueous/organic phases and the surface area of amino acid residues is only meaningful for the polar amino acids ignores the important contribution of the peptide bond reflects the reduction in solvent-accessible area during protein folding is similar to effects seen with SDS denaturation is only meaningful for the polar amino acids ignores the important contribution of the peptide bond reflects the reduction in solvent-accessible area during protein folding is similar to effects seen with SDS denaturation ANSWER DOWNLOAD EXAMIANS APP
Protein Stability At the midpoint of a temperature transition curve, [Native] = [Unfolded] half of the protein is denatured All of these Keq = 1.0 and ΔG = 0 [Native] = [Unfolded] half of the protein is denatured All of these Keq = 1.0 and ΔG = 0 ANSWER DOWNLOAD EXAMIANS APP
Protein Stability For the unfolding reaction of Protein G, ΔH° =210.6 kJ/mol, this means that folding is favored enthalpically the entropy is negative at all temperatures the entropy is positive at all temperatures unfolding is favored enthalpically folding is favored enthalpically the entropy is negative at all temperatures the entropy is positive at all temperatures unfolding is favored enthalpically ANSWER DOWNLOAD EXAMIANS APP
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