What 2 components are often found as part of an enzyme

Dna, in the nucleus carries the genetic code for making proteins in ribosomes. in the diagram, b, represents the proteins produced. dna cannot leave the nucleus to carry the genetic information to the ribosome where proteins are produced. how does the genetic code get from the nucleus to the ribosome? what does a represent? now

What are the characteristics of subsystem

What part of the body contains bile, an enzyme that break down lipids?