What are the 4 structures of protein?

The four levels of protein structure are primary, secondary, tertiary, and quaternary. It is helpful to understand the nature and function of each level of protein structure in order to fully understand how a protein works.

Synapomorphies are considered to be very important in the construction of cladogram because they serve as label or a mark in the classification of organisms based on their traits in creating the cladogram. Synapomorphies refers to the traits that are commonly shared by the organisms. In order to create a cladogram, a synapomorphy must be written under the name of the organism for trait identification purposes and to show that the organisms really have the same traits.