Polypeptide chains undergo some modifications before they become fully functional. Some of these modifications include: proteolytic cleavage, lipidation and glycosylation. Proteolytic cleavage refers to the removal of some amino acids from a polypeptide chain by proteases in order for the protein to become active. An example of a substance that is modified through this process is insulin.
Answer:
The axial skeleton is the part of the skeleton that consists of the bones of the head and trunk of a vertebrate.
Explanation:
this is the diagram
https://www.ncbi.nlm.nih.gov/books/NBK26827/ <em> think this article will help :)</em>
<span>Within a peripheral nerve, the layer of connective tissue that
surrounds a fascicle is called the Perineurium. T</span><span>he individual nerve fibres in a peripheral nerve are organized
by connective tissue that consists of three distinct components – the endoneurium,
the perineurium, and the <span>epineurium.</span></span>