Answer:
when a person has aids they usually start coughing up blood
Explanation:
A peptide bond is formed by a condensation (water-loss) reaction between the carboxyl group of oneamino acid<span> and the </span>amino<span> group of the next </span>amino acid<span> occurring in a protein. Thus, proteins are formed by the linear </span>arrangement<span> of </span>amino acids<span> in a particular order</span>
