The key difference between bacteria and viruses is that the bacteria can live without a host organism while the viruses cannot live without a living host. Many people think that both bacteria and viruses are germs that are harmful to human beings. Furthermore, they think that viruses and bacteria belong to the same category that […]

The key difference between gram positive and gram negative bacteria is that gram positive bacteria have a thick peptidoglycan layer, hence appear in purple colour while gram negative bacteria have a thin peptidoglycan layer, hence appear in pink colour at the end of the gram staining technique. Bacteria are ubiquitous prokaryotes which are unicellular and […]

The key difference between sterilization and disinfection is that sterilization is a process of killing all forms of microbial life including the spores present in an object while disinfection is a process of reducing or removing harmful microorganisms from the inanimate objects and surfaces. Microorganisms are ubiquitous. Since they cause contamination, infection and decay, it becomes necessary […]

The key difference between molds and yeasts is that the molds are multicellular filamentous fungi whereas the yeasts are unicellular round or oval fungi. Kingdom fungi are one of the five kingdoms that include eukaryotic microorganisms such as yeasts, molds rusts, smuts, mildews and mushrooms. They are very vital and useful decomposers in the environment […]