actinomyces
agar
analysis
bacteria
bacterial
bacterium
beautiful
biology
biotechnology
colonies
colony
color
culture
danger
disease
dish
education
experiment
germs
growing
growth
health
hygiene
isolated
lab
laboratory
medical
medicine
medium
micro
microbial
microbiology
microorganisms
mix
organism
pathogen
petri
plate
research
safety
sample
science
soil samples
species
staphylococcus
streptococcus
test
white
yeast