Definition Archives – Microbiology Note

Definition

Normal Flora of Hman Body

Normal Human Microbiota Definition, Types, Advantages and Disadvantages.

From shortly after birth to death, the skin and mucous membranes are home to a diverse microbial fauna. The average human body contains 1013 cells and harbors 1014 bacteria....

Sourav Bio in Medical Microbiology Feb 7 · 23 min read

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in Biochemical Test

Tollens’ Test Definition, Principle, Procedure, Result, Application.

It is a type of biochemical test which is used to distinguish reducing sugars from non-reducing sugars. This biochemical test is also known as the silver mirror test based on the end product of this test. This test was also used to differentiate between aldehydes and ketones through routine qualitative organic analysis.

Sep 14 · 2 min read

Tollens’ Test Definition, Principle, Procedure, Result, Application.

in Biochemical Test

Oxidase Test Definition, Principle, Procedure, Result, Application

The oxidase test is a biochemical reaction that assays for the presence of cytochrome oxidase, an enzyme sometimes called indophenol oxidase. In the presence of an organism that contains the cytochrome oxidase enzyme, the reduced colorless reagent becomes an oxidized colored product .

Sep 12 · 6 min read

Oxidase Test Definition, Principle, Procedure, Result, Application

in Basic Microbiology

Diauxic growth Curve, Definition, Occurrence.

When a bacterium is incubated in a medium containing two sugars one monosaccharide and another di or polysaccharide (like glucose and lactose).

Jun 26 · 2 min read

Diauxic growth Curve, Definition, Occuramce.

in Basic Microbiology

Synchronous culture Definition, Methods, Application.

A synchronous or synchronized culture is a microbiological culture or a cell culture which contains the cells that are all in the same growth stage.

Jun 25 · 1 min read

Synchronous culture Definition, Methods, Application.

in Antimicrobial Drugs

Antibiotics definition, Characteristics, Classification, Administration

Medicinal folklore was the primary treatment procedure for infections before the early 20th century. Over 2,000 years ago, a mixture of different antimicrobial properties was used to treat infections. The ancient Egyptians and ancient Greeks, and other ancient cultures used selected mold and plant materials for the treatment of infections. After the discovery of synthetic

Jun 18 · 8 min read

Antibiotics definition, Characteristics, Classification, Administration, Metabolism, Side effects.

in Microbiology Techniques

Serial Dilution Method Definition, Procedure, Application

What is a serial dilution? – serial dilution definition Hey there, you might be thinking, what is serial dilution? As the term indicates, it is a series of succeeding dilutions that performed to create a less dense or less concentrated solution from a high dense or concentrated solution. Serial dilution involves performing a series of

Apr 22 · 7 min read

Serial dilution Procedure

in Biochemistry

Pentose Phosphate Pathway: Definition, Importance, Steps.

Pentose phosphate pathway is a type of metabolic pathway where NADPH and Ribose 6 phosphate is generated from glucose 6 phosphate with a series of reactions.

Jan 20 · 2 min read

Pentose Phosphate Pathway: Definition, Importance, Steps.

in Biochemistry

Gluconeogenesis Pathway: Definition, Steps, Substrates, Importance, Regulation.

Glucose is the primary energy source of human brain and nervous system, as well as the erythrocytes, testes, renal medulla, and embryonic tissues.

Jan 19 · 3 min read

Gluconeogenesis Pathway: Definition, Steps, Substrates, Importance, Regulation.

in Biochemistry

Glycolysis Pathway: Definition, Steps.

Glycolysis is a Greek Word where Glykys means Sweet and Lysis means Splitting.

Jan 17 · 11 min read

Glycolysis Pathway: Definition, Steps

in Bacteriology

Bacterial Flagella: Definition, Structure, Types, Functions, Rotation, Examples.

Most of the motile bacteria locomote by using threadlike appendages which is extending outward from the plasma membrane and cell wall is known as flagella. Flagella also known as flagellum (Singular form).

Jan 8 · 4 min read

Bacterial Flagella: Definition, Structure, Types, Functions, Rotation, Examples.

in Bacteriology

Bacterial Capsule: Definition, Functions, Composition, Types, Demonstration, and examples.

Capsules are a types of Gelatinous covering layer of entire bacterium which are well organized and not easily washed off.

Jan 6 · 3 min read

Bacterial Capsule: Definition, Functions, Composition, Types, Demonstration, and examples.

in Bacteriology

Glycocalyx Definition, Composition, Types, Functions.

Glycocalyx is made up of glycosaminoglycans, proteoglycans, and other glycoproteins bearing acidic oligosaccharides and terminal sialic acids.

Jan 5 · 4 min read

Glycocalyx Definition, Composition, Types, Functions.

in Protocols

Plant Tissue Culture Definition, techniques, Media composition, types, application.

Before learning about plant tissue culture, first you have to learn about tissue culture and its importance. So, lets jump to the main article- What is tissue culture? The technique in which the tissues or cells are grown on an artificial medium separate from the parent organism is known as tissue culture. An American pathologist

Dec 12 · 7 min read

Plant tissue culture

in Basic Microbiology, Protocols

Culture medium Definition, Preparation, Classification

The food supply upon which microorganisms thrive in laboratories is termed as a culture medium or culture media. Culture Medium Definition The nutrient preparation on or in which a culture (microorganism) is grown in the laboratory is known as culture medium or culture media. A culture medium is a solid or liquid preparation utilized to

Dec 10 · 11 min read

Culture medium Definition, Preparation, Classification

PH Meter Definition, Principle, Parts, Types, Application, Procedure.

pH Meter Definition A pH meter is a precise instrument that weighs the hydrogen-ion movement in water-based suspensions, showing its acidity or alkalinity expressed as pH. It is also called a “potentiometric pH meter” because it measures the variation in electrical potential between a pH electrode and a reference electrode. The variation in electrical potential

Dec 8 · 8 min read

PH Meter Definition, Principle, Parts, Types, Application, Procedure.

Hot air oven Definition, Principle, Parts, Application, Procedure.

Hot air oven Definition A hot air oven is a laboratory instrument that uses dry heat to sterilize laboratory equipment and other materials. That equipment cannot be wet or material that will not melt, catch fire, or change form when exposed to high temperatures are sterilized by using the dry heat sterilization method. Hot air

Dec 7 · 6 min read

Hot air oven Definition, Principle, Parts, Application, Procedure.

BOD Incubator: Definition, Principle, Components, Procedure, Application.

BOD Incubator also known as Biological Oxygen Demand incubator. In microbiology laboratories, it is broadly used for cell culture and fungal growth, BOD test, fermentation, crop and physiology, and various pharmaceutical tests etc. BOD Incubator is additionally recognized as a low-temperature incubator or refrigerated incubator because it produces a temperature limit between 5°C to 60°C

Dec 6 · 3 min read

BOD Incubator

in Protozoa

Plasmodium Definition, Life Cycle, Characteristics, Morphology, Diagram

Plasmodium is also known as the malaria parasite and is the genus of intracellular parasitic protozoa. They are digenetic parasites because Plasmodium are obligate parasites of insects (such as mosquitoes) and vertebrates.

Nov 16 · 15 min read

plamosium life cycle

in Protozoa

Paramecium Cell Definition, Characteristics, Classification, Movement, Diagram.

In this article, we will discuss paramecium definition, kingdom, characters, movement, classes, shape, size, habitat, etc. Paramecium Scientific classification Paramecium is divided into this following phylum and subphylum; Domain: Eukaryota Clade: SAR Infrakingdom: Alveolata Phylum: Ciliophora Class: Oligohymenophorea Order: Peniculida Family: Parameciidae Genus: Paramecium Paramecium Classification Paramecium Definition Paramecium is a single-celled, microscopic, free-living, and

Nov 12 · 7 min read

Paramecium Cell Definition, Characteristics, Classification, Movement, Diagram.

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