accept
agree
approval
bacilli
bacillus
bacteria
bacteria spirilla
bacterial cell structure
bacterial infection
bacteriology
capsule
cartoon
cell wall
cells
character
coccus
confirm
cute
cytoplasm
deal
diplococci
emoticon
emotion
expression
finger
funny
good
hand
happy
illustration
infecting humans
intestinal bacteria
lyme disease
mascot
microbe
microbiology
microorganism
nucleoid dna
okay
plasma membrane
prokaryotic
smile
spirilla
spirillum
spirochetes
stamp
thumb
thumbs up
virus