Which of the following statements is TRUE? Disulfide bonds link together two -SH groups from cysteine side chains that are adjacent in the folded protein(s). Disulfide bonds can be broken through oxidation. Disulfide bonds do not occur within one protein molecule/chain.
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(6) Which of the following statements is true? Disulfide bonds are formed by the cross-linking of cysteine residues (amino acids). (b) Disulfide bonds are formed mainly in proteins that are retained within the cytosol. (c) Agents such as mercaptoethanol can break disulfide bonds through reduction. (d) Disulfide bonds may contribute to protein's secondary structure.
Rabeya Z.
Which one of the following statements is true about the formation of disulfide bonds in proteins: A. is more likely to occur for intracellular domains than for extracellular domains of transmembrane proteins (i.e. membrane spanning proteins) B. requires the reducing power of NAD(P)H (or equivalent reducing agent) C. can link together multiple subunits of an oligomeric protein (e.g. a tetramer) D. can utilize either cysteine or methionine amino acid residues
Shaiju T.
Which of the following is NOT true about disulfide bonds? Disulfide bonds determine the three dimensional conformation of a protein. Disulfide bonds form between two sulfur atoms. The formation of a disulfide bond is an oxidation reaction. The terms disulfide bonds and disulfide bridges are used interchangeably.
Farhan A.
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