The amino acids in a polypeptide chain are linked by peptide bonds. Once linked in the protein chain, an individual amino acid is called a residue, and the linked series of carbon, nitrogen, and oxygen atoms are known as the main chain or protein backbone.
Good Morning!
Communication and company in the practice of exercises are useful because they guarantee an extra incentive, helping in: a) goal-setter, b) self-monitor, <span>c) support system.
Hugs!</span>
I’m pretty sure it’s B, sorry if I’m wrong though, it’s been a while since I’ve learned this! ☻
