the scientist penicillium expansum grow with malt extract agar media in petri dish use for cultivate yeast, black molds.

agar alcohol anaerobic analysis aseptic autoclave background bacteria biology black clinical closeup colonies colony corona counter cultivate culture disease dish ecoli enterovirus escherichia expansum extract food fungal fungi fungus gram green grow growth hand hands health healthy hold hygiene infected infection isolated lab laboratory malt media medical medicine microbiology mold molds negative penicillium petri plate research science scientist species spread technique test use virus yeast