In the space provided, give me the word(s) that most adequately complete each sentence.

A) Traditionally, the most important reference book for microbial diversity and characteristics has been the __________________________.

B) Bacteria from the genera Rickettsia and ______________ are unusual in that they are obligate intracellular parasites

C) Mycobacteria differ from other bacteria in that they contain _________________ in their cell walls.

D) Bacteria from the phylum _______________________ are important in ruminant health, in that they secrete cellulase to help with digestion.

In the space below, match the bacterial genus with the role it is most commonly known for: