Laboratuvarda çalışan Afrikalı-Amerikalı bilim adamı. Erkek doktor mikrobiyoloji araştırması yapıyor. Laboratuvar aletleri: mikroskop, test tüpleri, ekipmanlar. Biyoteknoloji, kimya, bakteriyoloji, viroloji, DNA ve - Stok Çekim ve Video

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

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

Scientists in protection suits and masks working in research lab using laboratory equipment: microscopes, test tubes. Biological hazard, pharmaceutical discovery, bacteriology and virology concept.

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