The answer is C. (The second B).
Because, Bacteria are key to recombinant DNA technology because of one simple fact. The reproduce rapidly.
Even though Eubacteria and Archaebacteria look similar, differences in their ribosomal RNA led to their classification into different domains. They are domains of the old kingdom Monera.
<h3>What are Archaebacteria and Eubacteria? </h3>
Archaebacteria and eubacteria represent two different domains of the old kingdom Monera.
Monera is formed by unicellular prokaryotic microorganisms that do not have membrane-bound organelles and cell nuclei.
Both Archaebacteria and Eubacteria exhibit sequence variation in their ribosomal RNA, which can be used to classify them.
Learn more about ribosomal RNA here:
brainly.com/question/930760