What is the only kingdom cell without cell walls?

Describe how a student should adjust the microscope to see the cells on a slide more clearly?

Are the layers of rock above and below the coal older or younger?

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