Hey what is boilogy and what do we learn about it

What are two reasons for why a species might disappear from the fossil record?

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 term describes a doctor who becomes a specialist by meeting standards beyond those of getting a license and passing a test in the specialty area?