Observación precisa. Biólogo profesional que trabaja en un laboratorio y sostiene un tubo de ensayo - Foto e imagen de stock

That is great. Cheerful young man being well-equipped while working with reagents

Close up of test tubed in a lab while professional scientist working in microbiology project

Sample for research. Professional scientist in protective gloves holding test tube filled with green plant

Closeup.male chemist on blurred background laboratory .people and science.

Pour it down. Serious scientist mixing liquids and keeping mouth opened while looking forward

Chemical expertise. Attentive mature scientist wrinkling his forehead while looking at test tube

Blood analysis. Concentrated female person raising hand while looking at test tube

Competent scientist. Delighted lab assistant holding test tubes and looking at them while going to mix liquids

Pouring down. Attractive medical worker wearing white smock and blue rubber gloves bowing head while looking at test-tube

Attentive process. Selective focus on a test tube with a blue chemical liquid and a pipette held by a mature lab worker conducting a chemical experiment.