a clever student firmicutes cartoon character study at home

bacilli bacillus bacteria bacterial bacteriologic bacteriology bacterium book cartoon character clever clostridiaceae cute education emoticon emotion expression firmicutes funny geek graduate happy illustration infect learner magnification mascot medical microbe microbiologic microbiological micrograph microorganism pencil plectridium prokaryote school scientific shigella skill smart smile stationery student technique techniques tetanospasmin tetanus transmission vector