Afro-amerikai tudós a laborban dolgozik kémcsövek és főzőpoharak - Stock fotó és kép

African american woman scientist mixing liquid on glass at laboratory

Scientist hand holding pipette dropping a sample into a test tube and science experiments ,Laboratory glassware containing chemical liquid,

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.

Research Scientist Looking at Reaction in Test Tube in Laboratory

Selective focus on gloved hands of clinician pouring liquid from flask into beaker while carrying out scientific experiment in laboratory