Rastrea la evolución. Microbiólogo alegre haciendo una investigación en un laboratorio - Foto e imagen de stock

Enjoy doing reseacrh. Positive experienced man dealing with bioengineering while working in a lab

Scientist pouring liquid. Smiling worker of laboratory having usual workday mixing reagents and filling tubes

Accurate observation. Professional biologist working in a lab and holding a test tube

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

Enjoy it. Joyful experienced researcher making a dna research in a lab

Smiling worker. Delighted researcher wearing protective glasses while looking at test tube with reagent

Thoughtful researcher. Attentive bearded scientist wrinkling his forehead while looking at pink liquid

Interesting experiment. Good-looking exuberant young experienced ecologist smiling and doing an experiment while his colleague watching him

Genetic research. Smart professional scientist working in the lab while doing a genetic research

Modern genetics. Joyful smart scientist smiling while doing a scientific research in the lab

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

Biological engineering. Smart pleasant intelligent scientist standing in the lab and holding a test tube with the vaccine while testing it