Anyone know full form of ...bfif yes then want me to be yours?

Which of the following is a testable hypotheses?

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

Which to produce involved from a symbiotic relationship of organisms which resulted in eukaryotic organisms contain chloroplast