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Transport media are basically buffer solutions that contain carbohydrate, peptones, along with other nutritional elements (excluding growing factors) that are designed to protect the health of bacteria during transport, without allowing for their multiplicity. The main goal of utilization of the medium is to keep the sample as close to its original condition as is possible.
Glucose is the primary energy source of human brain and nervous system, as well as the erythrocytes, testes, renal medulla, and embryonic tissues.
What is DNA Replication? Advertisements In the realm of molecular biology, DNA replication stands as a pivotal biological mechanism responsible for generating two congruent DNA replicas from a singular original DNA molecule. This process is ubiquitous across all living entities, serving as the cornerstone for biological inheritance. DNA replication is not merely a routine cellular … Read more
Benedict’s test is a chemical test that is used to test for the presence of reduced sugars within an analytical test. Thus, simple carbohydrates that contain an aldehyde or free ketone functional group are detected using this test. The test is basing itself upon Benedict’s Reagent (also called Benedict’s solution) which is a complex mix of sodium carbonate, sodium citrate, and the pentahydrate of copper(II) Sulfate.
The term “chloroplast” is derived of the Greek words chloros, which translates to green and also plastes which refers to “the one who forms”. Chloroplasts are membrane-bound plastids which have membranes that are embedded in a liquid matrix.
What are bacteria? Characteristics Features of bacteria Advertisements Bacteria, as microscopic entities, exhibit a unique assemblage of features that distinguish them from eukaryotic organisms, fundamentally setting them apart within the vast expanse of biological taxa. These features are emblematic of their evolutionary lineage and functional adaptability, encapsulating their cellular architecture, metabolic pathways, and ecological roles. … Read more
What is Indole test? Indole Test Definition Advertisements The indole test is a biochemical assay used to determine a bacterium’s ability to metabolize tryptophan into indole through the action of the enzyme tryptophanase, aiding in the differentiation and identification of certain bacterial species. Purpose of Indol Test (Objectives of Indole Test) The indole test serves … Read more
In 1898, Voges as well as Proskauer (16)characterized the process of fermentation of sugars by a variety of bacteria. They demonstrated that the gas that was produced during the process was a mixture of H2 and CO2 that when they added KOH to the cultures been grown in glucose peptone medium to allow for a prolonged period of incubation in presence of oxygen certain organisms developed a red fluorescent color. While the exact nature of the color was not known in the early days, this technique was suggested to differentiate between the bacterial strains that produced it and ones that didn’t. in 1906 Arthur Harden analyzed the fermentation products of Enterobacter aerogenes. He discovered that when it was surrounded by glucose, the organism made two compounds, acetoin as well as 2,3-butanedio.
What is Pollen? Requirements for Pollen Microscopy Sample Collection for Pollen Microscopy Observation of Pollen Under Stereo Microscope Requirements Procedure for Observation of Pollen Under Stereo Microscope Advertisements Observing pollen grains under a stereo microscope is a captivating journey into the hidden world of botanical wonders. With its ability to provide a three-dimensional view, the … Read more
Pond Water and Microorganisms Advertisements Pond water is a fascinating ecosystem teeming with life, both visible and invisible to the naked eye. It encompasses a wide range of microorganisms, which are crucial to the balance and health of this aquatic environment. These tiny organisms contribute to various ecological processes, making the study of pond water … Read more
What is Sporozoa? Short Definition of Sporozoa Advertisements Sporozoa are unicellular, parasitic organisms that undergo complex life cycles involving two hosts and alternating between sexual and asexual stages. Classification of Sporozoa Characteristics of Sporozoa Motility of Sporozoa Feeding of Sporozoa Types of Spores Sporozoans, a group of parasitic protozoa, can be classified into four categories … Read more
Objects are magnified under compound microscopes are mounted onto microscope slides. Made from plastic or glass Slides measure approximately 1×3 inches in size and range from 1mm-1.2 millimeters thick.
What is Nitrogen Cycle? Nitrogen Cycle Definition Advertisements The nitrogen cycle is a biogeochemical process that transforms atmospheric nitrogen into usable forms for living organisms and then returns it to the atmosphere through a series of biological and chemical reactions. Stages of Nitrogen Cycle Nitrogen fixation, nitrification, assimilation, ammonification, and denitrification are the steps in … Read more
What is Bioremediation? Advertisements Bioremediation is a process used to clean up and detoxify polluted sites by utilizing microorganisms, plants, or their enzymes to break down and degrade environmental contaminants. It involves the natural or deliberate introduction of these biological agents to enhance the rate of degradation and transformation of pollutants. The concept of bioremediation … Read more
Advertisements Salmonellae are common infections in both humans and animals. They practically populate any animal, including livestock, poultry, birds, reptiles, rodents, domesticated animals, and people. One of three clinical syndromes, such as gastroenteritis, enteric fever, or localised disease, are frequently brought on by salmonella infections in humans. Salmonella infections in animals also result in significant … Read more
Contamination of Eggs Advertisements Eggs, in their natural state, are typically sterile. However, contamination can occur after they are laid due to a variety of reasons. It is essential to understand these potential sources of contamination in order to minimize the risk of egg spoilage. The following factors contribute to the contamination and subsequent spoilage … Read more
Contamination of Meats and Meat Products – Contamination source and causes Advertisements Meat spoilage can occur through natural processes as well as microbial contamination. Let’s explore the factors responsible for microbial contamination and the events that take place during the rigor mortis phase after animal slaughter: These events and factors emphasize the importance of proper … Read more
Endocytosis is a cellular process by which cells internalize substances from their external environment.
What is the latex agglutination test? Types of Latex Agglutination Advertisements The latex agglutination test can be categorized into two main types based on the processes of detection: Latex Agglutination Test (LAT) for Antibody Detection and Latex Agglutination Test (LAT) for Antigen Detection. These two types of latex agglutination tests provide valuable diagnostic information in … Read more
What is Innate Immunity ? Definition of Innate Immunity Advertisements Innate immunity refers to the body’s natural, non-specific defense mechanisms that provide an immediate response to invading pathogens without prior exposure. It serves as the first line of defense against infections and is present from birth. Features of Innate immunity Innate immunity possesses distinctive features that … Read more
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