Biólogo profesional. Inteligente hombre guapo agradable de pie cerca del microscopio y mirando en él mientras trabajaba como biólogo en el laboratorio - Foto e imágenes de stock

Hard work. Professional appealing male laboratorian rising bulb while looking at it and wearing safety glasses and mask

Scientist working in the lab, in protective mask examines a test tube with liquid

Modern technology. Nice serious professional scientist sitting at the table and wearing a mask while using a tablet

Professional chemist. Smart nice male researcher wearing a mask and protective glasses while conducting chemical experiment in the lab

Interesting job. Serious nice intelligent man sitting in the lab and looking into the microscope while working as a biologist

Close up. group of scientists testing the results of a new vaccine . photo with a copy-spac

Scientific challenge. Pleasant handsome male laboratorian dressing in safety glasses while elevating vial and gazing at it

Scientific developments. Serious nice scientific researcher looking at the test tubes and taking one of them while working in the lab

Uneasy work. Professional skillful male lab assistant using reagent while performing experiment and touching microscope

Tough work. Ambitious focused male laboratorian looking in microscope while posing in profile and dressing in lab coat

Vials with liquids. Selective focus of transparent glass vials where liquids poured which staying in stand

Successful study. Skillful ambitious male lab assistant standing in profile while scrutinizing sample and using microscope

Modern science. Positive intelligent female scientist smiling and holing a test tube while working in the chemical lab

One more drop. Close up of transparent vials and male hand wearing gloves and holding pipette for dropping reagent