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Introduction and History The biological membrane, also known as cell membrane or biomembrane, is a selectively permeable membrane that defines the boundary of the cell and separates it from the external environment.[1] The existence of cell membranes wasn’t known until the invention of the microscope in the seventeenth century.[2] With microscopic observations, scientists came to […]
The nitrogen cycle is a group of biogeochemical processes that harvest the element (nitrogen) from the Earth’s reservoirs, transform it into biologically active chemical forms so that organisms in the ecosystem can consume and reap benefits before returning the element to its sources. The chemical transformation in each nitrogen cycle step redistributes nitrogen between the […]
Introduction Passive transport is the process of transporting molecules from one side of the membrane to the other without any energy requirements. The transport of materials across the cell membrane is necessary to uphold cellular homeostasis.[1] It’s required to maintain the pH, volume, and accumulation of nutrients for protein synthesis and cell metabolism for organisms […]
What is Bacteria Enumeration? Enumeration of bacteria is defined as the process of determining the number of bacteria in a given sample. There are numerous reasons why researchers have to calculate the number of bacteria or compare the growing number of these microbes under certain specific conditions. It’s mainly essential and a part of routine […]
Overview Culture media or growth media is a liquid or gel-like substance that provides essential nutrients and minerals required for organisms to grow under laboratory conditions. All microorganisms have different requirements based on their habit and habitat. Thus, culture media needs to be formulated in such a way that they support the organism’s life in […]
What Is Culture Media? Culture media are mediums that provide essential nutrients and minerals to support the growth of microorganisms in the laboratory. Microorganisms have varying nature, characteristics, habitat, and even nutritional requirements, thus it is impossible to culture them with one type of culture media. However, there are also microorganisms that can’t grow on […]
Are you looking for Laboratory Devices for your lab? Click here Overview There are several microbiology techniques and procedures specially developed over the years to study and understand the metabolic processes, genetics, functions, and interaction of microbes with other organisms.[1] The methodologies mostly involve techniques for culturing, identification, isolation, staining, and engineering these tiny organisms. […]
See our Environmental Science Products Environmental Science Clark Oxygen Electrode is a silver-platinum electrochemical cell whose electrodes are covered by non-conductive membranes. They are used to measure gaseous or solubilized oxygen in the liquid. Clark oxygen electrodes rely on the limited permeability to oxygen of non-conductive membranes, which reduces oxygen loss at the electrodes and […]
Introduction Microbiology is the study of tiny, microscopic organisms called microbes.[1] For studies like learning the shape and size of organisms, microscopic study is the preferable approach. However, when it comes to genetic analysis, molecular functions, and metabolic studies, the microbes are required to be cultured in labs in their preferable environment. To ensure a particular […]
See our Environmental Science Products Environmental Science What is Cellular Respiration? Cellular respiration is a cellular catabolic process that transfers the energy embedded in carbohydrate molecules into energy carriers such as adenosine triphosphate (ATP). Cellular respiration can take place with and without oxygen. Aerobic respiration occurs when oxygen is present, and it consists of four […]
What is Microbiology? Microbiology is the study of microbes/microorganisms: minute naked organisms to human eyes, including bacteria, protozoa, archaea, fungi, and viruses. There are pros and cons to everything we know, and the same applies to these microorganisms; some microbes are deadly to the planet’s health while others help keep this planet healthy. For example, […]
Learn about the two stages of photosynthesis, that is, light and dark reactions, the essential components, photorespiration, and factors influencing it.
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