Editorial Team - Biology Notes Online

Microbial degradation of cellulose – Enzymes, Steps, Mechanisms

Microbial degradation of cellulose - Enzymes, Steps, Mechanisms

What is cellulose? (C6H10O5)n Cellulose Molecular Weight/ Molar Mass 162.1406 g/mol Density 1.5 g/cm³ Appears White powder Melting Point 260–270 °C Properties of cellulose Structure of cellulose What are cellulases? Cellulases are a group of enzymes that catalyze the hydrolysis of cellulose, a complex polysaccharide present in plant cell walls. These enzymes are largely produced … Read more

Organic Waste Recycling – Definition, Characteristics, Methods, Steps, Significance

Organic Waste Recycling - Definition, Characteristics, Methods, Steps, Significance

Organic waste adds to greenhouse gas emissions, soil and water contamination, and other environmental problems. Composting, anaerobic digestion, and vermicomposting are among the methods that can be used to manage organic waste. What is Organic waste? Organic waste refers to any waste material that originates from living organisms or their byproducts. This waste can be … Read more

Microbial Degradation of Lignin – Microorganisms, Enzymes, Steps, Mechanisms, Challenges

Microbial Degradation of Lignin - Microorganisms, Enzymes, Steps, Mechanisms, Challenges

What is lignin? Lignin is a complex, high-molecular-weight polymer made mostly of phenolic compounds. It is found in the cell walls of vascular plants, especially in the secondary cell wall during the development of xylem, phloem fibres, and sclerenchyma cells, which give the plant strength, support, and waterproofing. It is made up of three main … Read more

Brucella Agar – Composition, Principle, Preparation, Results, Uses

Brucella Agar - Composition, Principle, Preparation, Results, Uses

Brucella is an intracellular parasite which causes epizootic abortions for animals, and septicemic febrile disease or localized infections of tissues, bones or organ systems of humans. Brucella species are very meticulous and require a rich nutrient environment to develop. Additionally, Brucella species are highly infectious, and therefore extreme caution should be exercised when handling.

Phyllosphere Microorganisms – Examples, Factors, Effects

Phyllosphere Microorganisms - Examples, Factors, Effects

The phyllosphere refers to the entirety of a plant’s above-ground surface, which provides a habitat for microorganisms, particularly in the aerial components such as leaves, stems, flowers, and fruits. Phyllosphere Microorganisms – These are microbiological entities that inhabit the aerial surfaces of plants, particularly the leaf surface (phylloplane). What is Phyllosphere? Phyllosphere – the aerial … Read more

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

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

What is Pedogenesis? Pedogenesis is the natural process of soil formation resulting from the interplay of physical, chemical, biological, and climatic elements throughout time. Chronology – In 1883, Vasily Dokuchaev posited that soil is a product of climate, vegetation, parent material, and temporal factors. In 1941, Hans Jenny established the CLORPT model—Climate, Organisms, Relief, Parent … Read more

Microbial degradation of hemicellulose – Definition, Enzymes, Steps, Mechanisms

Microbial degradation of hemicellulose - Definition, Enzymes, Steps, Mechanisms

Hemicellulose is a group of polysaccharides found in plant cell walls, associated with cellulose and lignin. Unlike cellulose which is a linear polymer of glucose, hemicellulose is a branched, amorphous polymer of various sugar monomers like xylose, mannose, galactose, rhamnose and arabinose. It acts as a matrix component that binds with cellulose fibrils and lignin, … Read more

Microbial Degradation of Chitin – Microorganisms, Enzymes, Steps, Mechanisms

Microbial Degradation of Chitin - Definition, Microorganisms, Enzymes, Steps, Mechanisms

What is chitin? Structure of chitin What are Chitinases? Chitinases are enzymes that catalyze the hydrolysis of the β-1,4-glycosidic bonds in chitin They belong to the glycosyl hydrolase family with EC number 3.2.1.14 Two main types exist based on cleavage mode They are produced by bacteria, fungi, plants and some animals for nutrition, defense or … Read more

Difference Between Prokaryotic and Eukaryotic Cells – Prokaryotic Vs Eukaryotic Cells

Difference Between Prokaryotic Cells and Eukaryotic Cells

What is Prokaryotic Cell? What is Eukaryotic Cell? Difference Between Prokaryotic and Eukaryotic Cells Feature Prokaryotic Eukaryotic Nucleus Absent; genetic material located in a nucleoid region. Present; genetic material enclosed within a nuclear envelope. Membrane-bound organelles Generally absent (e.g., mitochondria, chloroplasts, endoplasmic reticulum, Golgi apparatus). Present (e.g., mitochondria, chloroplasts in photosynthetic cells, endoplasmic reticulum, Golgi … Read more

Top 30 Differences Between Bacteria, Archae, and Eukarya

Differences Between Bacteria, Archaea, and Eukarya.

What is Bacteria? Bacteria represent a category of microscopic, unicellular organisms that are classified as prokaryotes, characterised by the absence of a membrane-bound nucleus and organelles. These organisms are found in a wide range of habitats across the planet, including extreme environments such as deep-sea vents and arctic ice, as well as more common settings … Read more

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