Yes. Most bacteria are too small to be seen without a microscope, but in 1999 scientists working off the coast of Namibia discovered a bacterium called Thiomargarita namibiensis (sulfur pearl of Namibia) whose individual cells can grow up to 0.75mm wide. How can microbes be seen? The microorganisms cannot beRead More →
Several human pathogens as well as human microbiome are considered mesophiles. It is because the normal body temperature of humans is 37 °C. Some mesophiles are involved in wine and beer making. They are also found in cheese and yogurt. Do mesophiles infect humans? Bacterial infections in humans are mostlyRead More →
Neutrophils are professional phagocytes of the innate immune system that are essential to control bacterial and fungal infections. These cells engulf and kill invading microbes. Is fungus a fungi or bacteria? Fungus, plural fungi, any of about 144,000 known species of organisms of the kingdom Fungi, which includes the yeasts,Read More →
A trivial name should neiter be written with capital first letter nor in italic. Examples of trivial names are: lactobacilli, mycobacteria, salmonella, staphylococci and streptococci. … If you refer to a specific bacterial species, a trivial name refering to a complete genus should never be used. How is E. coliRead More →
Because bacteria can multiply so rapidly in unrefrigerated food, it’s simply unsafe to let food thaw at room temperature. If left unrefrigerated, some organisms can create toxins that will survive the cooking process even if the food is cooked to temperatures that kill the bacteria themselves. Can bacteria be destroyedRead More →
Prokaryotes are single-celled organisms belonging to the domains Bacteria and Archaea. Prokaryotic cells are much smaller than eukaryotic cells, have no nucleus, and lack organelles. All prokaryotic cells are encased by a cell wall. Many also have a capsule or slime layer made of polysaccharide. Does bacteria do not haveRead More →