Vegetative Propagation – Definition, Types, Methods, Advantages

Vegetative Propagation Definition, Types, Methods, Advantages

Many plants can reproduce genetically identical offshoots or clones of themselves through asexual reproduction. These offshoots then become independent plants. This is known as vegetative reproduction or vegetative propagation. Fragmentation is one way that vegetative propagation can occur. This means that a part of a plant can be regrown into a new plant. There are … Read more

Prebiotics – Definition, Types, Sources, Mechanisms

Prebiotics - Definition, Types, Sources, Mechanisms

Definition of Prebiotics Types of Prebiotics There are numerous varieties of prebiotics. The majority of them are a subset of carbohydrate groups and are largely oligosaccharide carbohydrates (OSCs) (OSCs). 1. Fructans 2. Galacto-Oligosaccharides 3. Starch and Glucose-Derived Oligosaccharides 4. Other Oligosaccharides 5. Non-Carbohydrate Oligosaccharides Criteria for Eligibility as Prebiotic To qualify as prebiotic, food items … Read more

Probiotics – Definition, Mechanisms, Health Effects

Probiotics - Definition, Mechanisms, Health Effects

Probiotics Definition Probiotics are living microorganisms that mitigate the negative effects of antibiotics by restoring the body’s natural homeostasis. Probiotics are identified by their genus, species, and a strain-specific identifying name (e.g. Lactobacillus rhamnosus GG) and are available in a range of formulations, including yoghurt drinks, pills, and nutritional supplements. Probiotic Bacteria The majority of … Read more

Starter Culture – Definition, Types, Preparation, and Applications

Starter Culture - Definition, Types, Preparation, and Applications

Starter Culture Definition A starter culture is a microbial preparation containing a very high number of cells (such as 1012 g-1) of one or more microbe species that is given to raw material to produce fermented food by accelerating and directing fermentation. Functions of Starter Cultures The fundamental function of lactic starters is to convert … Read more

Scope of Microbiology in Nursing

Scope of Microbiology in Nursing

As their name suggests, microorganisms are minute organisms with the potential to adapt to their environment; for instance, commensals can become pathogenic in certain altered environments. The adaptability of microbes to certain treatments or medications remains a challenge for nurses and other medical professionals. Microbiology influences the lives of a nurse working in a medical … Read more

History and Scope of Microbiology

History and Scope of Microbiology

What is Microbiology? Microbiology is the study of microorganisms, which are tiny, single-celled organisms that are found almost everywhere on Earth. These microorganisms include bacteria, viruses, fungi, algae, and protozoa, and they play vital roles in many aspects of our lives. Microbiology encompasses a wide range of disciplines and applications, including the biology of microorganisms, … Read more

Kirby Bauer Disk Diffusion Susceptibility Test Protocol

Kirby Bauer Disk Diffusion Susceptibility Test Protocol

What is Kirby Bauer Disk Diffusion test? The Kirby-Bauer disk diffusion test is a laboratory method used to determine the effectiveness of antibiotics against bacterial strains. The test is named after its inventors, Drs. Paul Kirby and Robert Bauer, who developed it in the 1960s. In the Kirby-Bauer test, a bacterial culture is spread evenly … Read more

Testing of Disinfectants (evaluation methods of disinfectants)

Testing of Disinfectants (evaluation methods of disinfectants)

Testing of Disinfectants/ Evaluation of disinfectants definition. Different methods for Testing of Disinfectants There are present different tests which can be used to test the efficiency of disinfectants such as; 1. Phenol coefficient test Methods of Phenol coefficient test There are two distinct methods of Phenol coefficient test, such as; A. Rideal Walker method for … Read more

Scope of Epidemiology

Scope of Epidemiology

Definition of Epidemiology Overview of Epidemiology Scope of Epidemiology/Objective of Epidemiology The objectives of epidemiology are to:  Major Areas of Discussion in Epidemiology The Major Areas of Discussion in Epidemiology are; Population Disease frequency Disease Distribution  Disease Determinants  Disease Control  Fields of Epidemiology

Measurement of Bacterial Growth

Measurement of Bacterial Growth

Measurement of Bacterial Growth Why Should We Measure Bacterial Growth? The following are reasons we measure bacterial growth: Methods used for Measurement of Bacterial Growth There are many methods available to measure bacterial growth. Each one is discussed below. Cell Number count The cell number counting is done by two following methods; A. Direct Method … Read more

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