Científico mirando tubo de ensayo con sustancia amarilla, análisis de calidad de la gasolina - Foto e imágenes de stock

Biologist examining sunflower oil samples, food quality checkup, gmo testing

Just a few drops. an unrecognizable female scientists wearing a protective face mask while mixing chemicals together inside of a laboratory

Researcher with glass laboratory chemical test tubes with liquid for analytical , medical, pharmaceutical and scientific research concept.

Close up. Scientists conduct research in the laboratory. science and health.

Researcher with glass laboratory chemical test tubes with liquid for analytical , medical, pharmaceutical and scientific research concept.

Biological researcher looking at black liquid in tube, oil production industry

Medical scientist conducting test, observing reactions in glass flasks, research

Female biochemist working at laboratory, taking sample of liquid from the flask

Biologist looking through magnifying glass at plant, organic beauty products