Multiple Choice
Which statement about cystine is CORRECT?
A) Cystine forms when the -CH2-SH R group is oxidized to form a -CH2-S-S-CH2- disulfide bridge between two cysteines.
B) Cystine is an example of a nonstandard amino acid, derived by linking two standard amino acids.
C) Cystine is formed by the oxidation of the carboxylic acid group on cysteine.
D) Cystine is formed through a peptide linkage between two cysteines.
E) Two cystines are released when a -CH2-S-S-CH2- disulfide bridge is reduced to -CH2-SH.
Correct Answer:
Verified
Correct Answer:
Verified
Q59: In the amino acid glycine, what effect
Q60: What factors would make it difficult to
Q61: As a protein is purified, both the
Q62: According to the table, ion-exchange chromatography would
Q63: The term "proteome" has been used to
Q65: Compare the following sequences taken from four
Q66: To determine the isoelectric point of a
Q67: A major advance in the application of
Q68: Why do amino acids, when dissolved in
Q69: Even when a gene is available and