Naukowiec trzymający kolbę w laboratorium chemicznym. Badania, medycyna, rozwój biotechnologii - Zdjęcie stockowe & obraz

Woman chemist scientist holding test tube and conducting experiment in laboratory with equipment, science concept

Woman scientist working in laboratory and examining biochemistry sample in test tube. Science technology research and development study concept.

Scientists are carrying blue chemical test tubes to prepare for the determination of chemical composition and biological mass in a scientific laboratory, Scientists and research in the lab Concept.

Scientists hold a glass tube filled with blue chemical liquid for research and analysis in a laboratory.

Scientists are carrying blue chemical test tubes to prepare for the determination of chemical composition and biological mass in a scientific laboratory, Scientists and research in the lab Concept.

Scientists hold the pipette and drop the blue chemical liquid for research and analysis in a laboratory.

Middle age hispanic man wearing scientist uniform working at laboratory

Young chemical female researcher with vials and flasks makes some experiments in laboratory