Which Amino Acid Does Not Have a Primary $\alpha$ -Amino Group?
A)glutamine
B)arginine
C)lysine
D)proline
E)glutamate

Q58: The formation of a dipeptide from

Q59: The disulfide bond between two cysteine molecules<br>A)is

Q60: Matching<br><br>-At a pH below its pK_a,the

Q61: What is the three-letter abbreviation for the

Q62: Matching<br><br>-Glutathione is a tripeptide containing a central

Q63: Which of the following amino acids is

Q65: About half of the 20 amino acids

Q66: Asx refers to<br>A)a negatively charged aspartic acid.<br>B)a

Q67: Matching<br><br>-In the tripeptide Trp─Val─Phe,the N-terminal residue is

Q68: The pK₁,pK₂,and pK_R for the amino