actinomyces
agar
analysis
background
bacteria
bacterial
bacterium
biology
biotechnology
cells
characteristic
colonies
colony
culture
danger
disease
dish
education
environment
experimental
food
fungi
germs
gram negative
growth
health
hygiene
isolated
lab
laboratory
medical
medicine
microbial
microbiology
microorganism
mold
organism
pathogen
petri
plate
research
risk
sample
science
scientific
soil samples
species
texture
white
yeast