Homem sorridente cientista em jaleco segurando modelo molecular - Banco de fotos e imagens

Smiling man scientist in eyeglasses holding molecular model in lab

Smiling scientist holding molecular model in laboratory, focus on foreground

Close-up partial view of scientist in white coat holding molecular model

Asian female scientist teacher point at molecular model explain Scientific wonders in laboratory

Portrait of focused man scientist in protective glasses writing in notepad

Man scientist in white coat working with microscope in lab

Portrait of smiling man scientist working with test tube in lab

Portrait of smiling scientists writing in notepad in lab

Concentrated man teacher and girl student scientists working with molecular model in lab

Portrait of smiling scientist in protective glasses holding glass tube

Man scientist in white coat looking at test tube with reagent in lab

Man scientist working with glass tubes in lab

Portrait of smiling scientist showing laboratory tubes and looking to camera