Científico afroamericano trabajando en el laboratorio. Doctor haciendo investigación microbiológica. Herramientas de laboratorio: microscopio, tubos de ensayo, equipo. Biotecnología, química, bacteriología, virología, ADN y salud - Foto e imágenes de stock

African-american Medical doctor working in research lab. Science assistant making pharmaceutical experiments. Laboratory tools: microscope, test tubes, equipment. Chemistry, medicine, biochemistry

African-american Medical doctor working in research lab. Science assistant making pharmaceutical experiments. Laboratory tools: microscope, test tubes, equipment. Chemistry, medicine, biochemistry

African-american scientist working in lab. Doctor making microbiology research. Laboratory tools: microscope, test tubes, equipment. Biotechnology, chemistry, bacteriology, virology, dna and health

African-american scientist working in lab. Doctor making microbiology research. Laboratory tools: microscope, test tubes, equipment. Biotechnology, chemistry, bacteriology, virology, dna and health

African-american scientist working in lab. Doctor making microbiology research. Laboratory tools: microscope, test tubes, equipment. Biotechnology, chemistry, bacteriology, virology, dna and health

African-american scientist working in lab. Male doctor making microbiology research. Laboratory tools: microscope, test tubes, equipment. Biotechnology, chemistry, bacteriology, virology, dna and

African-american scientist working in lab. Doctor making microbiology research. Laboratory tools: microscope, test tubes, equipment. Biotechnology, chemistry, bacteriology, virology, dna and health

We love bioengineering. Serious experienced researcher conducting a test and his colleague helping him

Scientist working in lab. Doctor making microbiology research. Laboratory tools: microscope, test tubes, equipment. Biotechnology, chemistry, bacteriology, virology, dna and health care concept.

Scientist working in lab. Doctor making microbiology research. Laboratory tools: microscope, test tubes, equipment. Biotechnology, chemistry, bacteriology, virology, dna and health care concept.

Archaeologist working in natural research lab. Laboratory assistant cleaning animal bones. Archaeology, zoology, paleontology and life science concept.

Asian scientist working in lab. Doctor making microbiology research. Laboratory tools: microscope, test tubes, equipment. Biotechnology, chemistry, bacteriology, virology dna and health care concept

Archaeologist working in natural research lab. Laboratory assistant cleaning animal bones. Archaeology, zoology, paleontology and life science concept.

Scientist working in lab. Doctor making microbiology research. Laboratory tools: microscope, test tubes, equipment. Biotechnology, genetics, biochemistry, pharmaceutical, dna and health care concept.