Question
Which of the following peptides have a net positive charge at $\mathrm{pH} 7 ?$(a) Asn-His-Arg,(b) Glu-Lys-Phe,(c) Thr-Leu-Ala.
Step 1
The negatively charged amino acids are aspartic acid and glutamic acid, while the positively charged ones are arginine, histidine, and lysine. Show more…
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