The chirality of an amino acid results from the fact that its carbon:
A) has no net charge.
B) is a carboxylic acid.
C) is bonded to four different chemical groups.
D) is in the L absolute configuration in naturally occurring proteins.
E) is symmetric.
Correct Answer:
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Q7: Amino acids are ampholytes because they can
Q8: In a highly basic solution, pH =
Q9: An octapeptide composed of four repeating glycylalanyl
Q10: At the isoelectric pH of a tetrapeptide:
A)
Q11: Which statement about aromatic amino acids is
Q13: At pH 7.0, converting a glutamic
Q14: For amino acids with neutral R groups,
Q15: Which statement about cystine is CORRECT?
A) Cystine
Q16: The formation of a peptide bond between
Q17: The peptide alanylglutamylglycylalanylleucine has:
A) a disulfide bridge.
B)
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