1.Explain why Bacillus subtilis is sometimes stained Gram positive and sometimes stained Gram negative 2.In the procedure of gram-stain, you have forgotten to use acetone alcohol, what color would Escherichia coli be and why 3.Describe the cata...
1.Explain why Bacillus subtilis is sometimes stained Gram positive and sometimes stained Gram negative 2.In the procedure of gram-stain, you have forgotten to use acetone alcohol, what color would Escherichia coli be and why 3.Describe the catalase test a ...
It is a viscous outermost layer surrounding the cell wall. It is composed of either polysaccharides or polypeptides of both (~2%) and water (~98%). They are present only in some species of bacteria. The capsule is of 2 types; macro-capsule (capsule with a thickness of 0.2 μm or more...
Standard biochemical tests performed areGram-staining,catalase test,salt tolerance test,oxidase test,nitrate reduction test,starch hydrolysis test,casein hydrolysis test,gelatin hydrolysis test, urea hydrolysis test,IMViC test,TSI test,sugar fermentation test, etc. Significance of Actinobacteria Roles in Nat...
What is an antibiotic in terms of microbiology? What are the three types of bacteria? What types of microbes can be found in cheeses? Which famous French microbiologist is the process of pasteurization named after? What are the medical applications of the catalas...
What type of Bacteria test positive for a citrate test? What is microbiology and how is it used in nursing? If you were a doctor treating a patient infected with Staphylococcus aureus, a bacterium that causes mild to moderate skin infections, wh...
1.Explain why Bacillus subtilis is sometimes stained Gram positive and sometimes stained Gram negative 2.In the procedure of gram-stain, you have forgotten to use acetone alcohol, what color would Escherichia coli be and why 3.Describe the catalase test a...
The lab coat is used by microbiologists, health care professionals ,students and many of the researchers in labs before performing experiments. It is usually white in color and serves as a simple uniform. It has evolved over 100 years ago....
What is agar and why is it necessary for growing bacteria on plates? What is the use of Petri dishes in a microbiology laboratory? In general, what two methods are used to grow bacteria in the laboratory? What is aseptic technique, and why is it so important in microbiology...
What is meant by the term "enteric pathogen"? Why are anaerobic organisms generally not seen in a routine fecal specimen or culture? What are the indole test, methyl red test, voges-proskauer test, Identification of Gram-positiv...