Carbon Cycle- Definition, Steps, Examples, Significance, Human Impacts

Carbon Cycle Definition The carbon cycle is a biogeochemical cycle where different forms of carbon compounds are cycled through the Earth’s various systems like the atmosphere, biosphere, hydrosphere, and geosphere. The carbon cycle determines the flow of carbon between reservoirs, from the atmosphere to the living beings, and back to the atmosphere in a cyclic process. Various factors like living …

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Microbiology of extreme environments (Types and Examples)

What are extreme environments? An extreme environment is a habitat characterized by harsh environmental conditions further than the optimal range for the development of humans or other living organisms. Extreme environments are characterized by various unfavorable conditions including, high or low temperature, high or low pressure, and acidic or basic pH. For an area to be considered extreme, certain conditions …

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Phyllosphere microorganisms- Examples, Factors, Effects

What is Phyllosphere? Phyllosphere is the aerial part or parts of the plant above the ground like the leaves, stems, and flowers that acts as a habitat for a variety of microorganisms. The phyllosphere comprises the aerial parts of plants and is dominated by the leaves followed by stems, flowers, and fruits. The phyllosphere is a unique and dynamic habitat …

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Rhizospheric microorganisms and effects, PGPR and Mycorrhiza

What is Rhizosphere? The rhizosphere is the narrow region of soil around the plant root that is influenced by several factors like the root exudates and the associated soil microorganisms. The rhizosphere is considered the most active region of soil as it receives the nutrients from the nutrients, in addition to the microorganisms that are present around the root. It …

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Biosafety Cabinets- Definition, Classes (I, II, III) and Types

Biosafety Cabinets Definition Biosafety Cabinets (BSCs) are enclosed workspaces with a ventilated hood that is designed to contain pathogenic microorganisms during microbiological processes. The primary purpose of biosafety cabinets is to protect the laboratory personnel and the environment from the pathogenic microorganism as aerosols might be formed during the processing of such microorganisms. Biosafety cabinets are only used for certain …

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Microorganisms found in soil with effects and examples

What is Soil Microbiology? Soil microbiology is a branch of soil science concerned with soil-inhabiting microorganisms, their functions, and activities within the soil ecosystem. Soil microbiology is an interdisciplinary subject that is closely linked to soil biochemistry and microbial ecology. It involves the understanding of principles of soil science, microbiology, and the chemistry of biological systems. There are two basic …

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Soil Formation (Pedogenesis)- Factors, Process/Steps, Examples

Soil Formation Definition Soil formation or pedogenesis is the process of evolution of soil under the influence of various physical, biological, climatic, and geological factors. Soil formation occurs via a series of changes to the parent material, all of which lead to the formation of layers of soil, also called soil horizons. These layers can then be separated on the …

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Soil- Definition, Composition, Properties, Types and Uses

What is Soil? Soil is a biologically active porous medium that is present on the uppermost layer on the uppermost layer of the Earth’s crust formed by weathering processes under various influences. Soil acts as a substratum for life on Earth that serves as a reservoir of water and nutrients, a medium for the breakdown of organic materials, and as …

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MCH Blood Test- Definition, Calculation, Results, High & Low MCH value

What is MCH Blood Test? MCH (Mean Corpuscular Haemoglobin) test is a test performed to calculate the average amount of hemoglobin present in the red blood cells of a blood sample. Hemoglobin is an essential protein found in the blood as it is responsible for the transport of gases and nutrients throughout the body. MCH is different from MCHC even …

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MPV Blood Test- Definition, Calculation, Results, High & Low MPV value

What is MPV Blood Test? MPV (Mean Platelet Volume) test is a test performed to determine the average size of platelets present in a blood sample. Platelets are important blood cells that are responsible for blood clotting, a process that controls blood loss after an injury. The mean platelet volume (MPV) is the measurement of the dimension of platelets, calculated …

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