Experiência química. Homem bonito grave olhando para o frasco com líquido durante a realização de experiências químicas - Banco de fotos e imagens

In the chemical lab. Selective focus of a test tube rack standing on the table in front of the scientist

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

Enthusiastic scientist. Happy positive delighted man wearing protective glasses and smiling while working with chemical reagents

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

Teacher blending reagents. Unconfident handsome teacher blending reagents in glass tubes for chemistry experiment

Test tube. Smart student of chemistry department wearing white lab coat holding test tube with colorful liquid

Student in glasses. Blonde-haired student wearing glasses and white coat filming video about chemistry

Biological research. Intelligent thoughtful woman studying bacteria development while conducting biological research

For testing. Selective focus of a test sample being kept in the petri dish