scientist working on the dna of a sars-cov-2 infected woman in a laboratory

acid amino anatomy atom biochemistry biomolecule biotechnology cancer cell chain chemical chemistry coagulation conceptual digestion disease dna enzyme enzymes formula health human illustration image infected insulin laboratory medical medicine metabolism model molecular molecule pepsin peptidase peptide peptides polymer polypeptide protease proteasome protein proteolysis research sarscov2 science scientist structure system woman working