Ключевые слова: age research, amplification, analysis, automatic, biochemistry, biologist, biology, biopsy, blood, blue, caucasian, cell culture, chemistry, clinical, closeup, collage, cyan, dark hair, dna, female, genetic modification, glasses, human, lab, lab coat, laboratory, liquid, longevity, macro, male, microscope, molecular biology, pcr, people, pipette, pipetting, plastic, portrait, professional, red, research, sample, sample tray, science, scientist, several, stem cells, test, tools, tube, tube stand, white coat, work, worker,