analysis

antibiotic

background

bacteria

bacteriology

bacterium

biochemistry

biology

biotechnology

blue

cell

chemical

clinical

closeup

coli

colony

color

culture

development

diagnosis

discovery

disease

examination

experiment

fungi

hand

hospital

lab

laboratory

medical

medicine

microbial

microbiology

petri

pharmacology

pharmacy

pipette

research

safety

sanitation

science

scientists

solution

sterile

technology

tube

virus

viruses

work

yeast