Why is RNA necessary to act as a messenger? Why can't the code be taken directly from the DNA?

Adoença vitiligo afeta qual doença do corpo?

If an organ has six haploid chromosomes,how many chromosomes are present. 6 12

Recombinant dna is the merging of dna from unrelated organisms to create new genetic varieties is assembled in the lab from mononucleotides was part of the green revolution of the 1960s is pollination of one plant by another of the same species is cross-pollination of one plant by a different species