Difference between endotoxin and exotoxin in microbiology

Here you will understand the main difference between endotoxin and exotoxin in microbiology. Endotoxin and exotoxin are produced by various bacteria. Both play critical roles in bacterial pathogenesis. There are many differences between endotoxins and exotoxins on the base structure, mechanisms of action, and their impact on human health. What is Endotoxin in microbiology Endotoxins … Read more

Microbiology mcq with answers PDF – Pathogenesis

Here is “Microbiology mcq with answers PDF – Pathogenesis” Chapter #7. Question 1: What is the term for the ability of a microorganism to cause disease? A) VirulenceB) ImmunityC) SterilityD) Pathogenicity Answer: A) Virulence Question 2: Which of the following is NOT a component of the Koch’s postulates? A) The microorganism must be isolated from … Read more

Microbiology exam questions answer pdf chapter 5 – Classification of bacteria

Here are the most important Microbiology exam questions answer pdf chapter 5 – Classification of medically important bacteria. Question 1: Which of the following bacterial groups possess a thick layer of peptidoglycan in their cell walls, making them Gram-positive?A) ProteobacteriaB) CyanobacteriaC) FirmicutesD) Spirochetes Answer: C) Firmicutes Question 2: Bacteria with a thin layer of peptidoglycan … Read more

Microbiology exam questions and answers pdf chapter 4 (mutation, conjugation, transduction, transformation)

There are Microbiology exam questions and answers in chapter 5. Question 1: What type of mutation involves the insertion or deletion of a single nucleotide, leading to a shift in the reading frame of the gene? A) Silent mutationB) Missense mutationC) Nonsense mutationD) Frameshift mutation Answer: D) Frameshift mutation Question 2: Which of the following … Read more

Spore test for autoclave machine sterilization

The “Spore test for autoclave,” also known as the biological indicator test. It is a critical process used to identify the effectiveness of an autoclave (also called a steam sterilizer) in killing microorganisms, including highly resistant bacterial spores. Autoclaves are commonly used in various industries, including healthcare, laboratories, pharmaceuticals, and food processing, to sterilize equipment, … Read more

How are viruses different from bacteria apex

Here you will learn about “How are viruses different from bacteria”. Viruses and bacteria are both microscopic entities that play significant roles in the world of biology and medicine. While they share certain similarities. They are fundamentally different in their structures, life cycles, and impact on living organisms. Understanding these differences is crucial to effectively … Read more

Spirochete vs spirillum

spirochete-vs-spirillum-table

Here’s the table of Spirochete vs spirillum with examples. Charatristics Spirochete Spirillum 1 Shape 1.Corkscrew shape 2. They are highly flexible3. It can move can move in a corkscrew-like motion due to their internal flagella 1. It shows distinct helical or spiral shape but appear more rigid compared to spirochetes.2. It resembling a spiral staircase … Read more

Spread plate method procedure microbiology

Spread plate technique procedure steps in microbiology

Here you will learn about “what is Spread plate technique in microbiology”. In the field of microbiology, accurate and reliable quantification of microorganisms is of utmost importance. Researchers and scientists often rely on various techniques to estimate the number of viable cells in a given sample. Here’s the video of Spread plate technique principle procedure … Read more

How to avoid candida auris, symptoms

How to avoid candida auris, symptoms

Here you will learn “How to avoid candida auris“. Candida auris is a species of yeast that was first identified in Japan in 2009. Since then, it has spread to healthcare facilities around the world, causing outbreaks and infections in vulnerable populations such as hospital patients and nursing home residents. Unlike other types of Candida, … Read more

Staphylococcus lower classifications chart microbiology

Staphylococcus lower classifications chart

Here’s the “Staphylococcus lower classifications “. Staphylococcus is a genus of bacteria that includes several species which are classified on the base of gram staining, which are gram-positive, spherical-shaped bacteria that are commonly found on the skin and mucous membranes of humans and animals. These bacteria are known for their ability to cause a variety … Read more