eppendorf tubes with blue, green and pink liquids in the hand of scientist on the background of petri dishes for microchemical

biochemistry bacteriology petri research glassware health selective analysis dish pharmaceutical hygiene bacterial medicine glass liquid chemical green plate pharmacy genetics agar experiment scientific virus microorganism science antimicrobial medical laboratory lab pink colony test scientist chemistry eppendorf biotechnology tube focus glove culture biology bacterium microbiology disease hand blue study microbe biologist analytic