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microorganisms are all tiny organisms that are invisible or invisible to the naked eye, with tiny individuals and simple structures that usually require the use of a light microscope or electron microscope to be seen. microorganisms are widely distributed in nature and are divided into three main categories: prokaryotic cellular microorganisms (e.g. bacteria, cyanobacteria, actinomycetes, mycoplasma, chlamydia, rickettsia, etc.) eukaryotic cellular microorganisms (e.g. yeasts, moulds, microscopic algae, etc.) and non-cellular microorganisms (e.g. viruses, virus-like, nguyen viruses, etc.). microorganisms have a wide range of applications and play an important role in medicine, agriculture, food and various industrial chemicals. however, not all microorganisms are beneficial to humans, and the presence of some can cause disease and even pose a risk to human life. noa microbiology laboratory provides microbiological testing and analysis services to our customers, providing real and valid experimental data for product release and product performance claims, safeguarding the health and safety of consumers at all times.