The 4 conserved processes, molecules, or cell components that support the concept of a universal common ancestor are
Proteins. Proteomic evidence also keeps the universal ancestry of life. Vital proteins, such as the ribosome, DNA polymerase, and RNA polymerase, are found in everything from the most primitive bacteria to the most complex mammals.
Thus, these are the 4 conserved processes.
To learn more about ancestor click here:
https://brainly.com/question/1336395
#SPJ1