Microbiology

What is Obligate Anaerobes? Definition of Obligate Anaerobes Obligate anaerobes are microorganisms that exclusively thrive in oxygen-deprived environments and are adversely affected or killed by the presence of oxygen. Oxygen sensitivity of Obligate Anaerobes How Obligate Anaerobes are identified? The identification of obligate anaerobes is achieved through a systematic approach involving the use of thioglycollate … Read more

What is Negative Feedback? Definition of Negative Feedback Negative feedback is a regulatory mechanism in biological systems where the final product of a process inhibits its own production, ensuring stability and homeostasis. Negative Feedback Mechanism Importance of Negative Feedback In summary, negative feedback is a cornerstone mechanism in both biological and man-made systems. Its importance … Read more

What is Eye and Ear Microbiota (Microbiome) or Normal Flora of Eye & Ear? Normal Flora of the Ear Microorganism Type Category Staphylococcus spp. Gram-positive Bacteria Alloiococcus otitis Gram-positive Bacteria Corynebacterium spp. Gram-positive Bacteria Microbacterium spp. Gram-positive Bacteria Bacillus spp. Gram-positive Bacteria Arthrobacter spp. Gram-positive Bacteria Turicella otitidis Gram-positive Bacteria Micrococcus spp. Gram-positive Bacteria Moraxella … Read more

What is Unicellular organism? Evolutionary History of Unicellular Organisms The evolutionary trajectory of unicellular organisms is a testament to the intricate processes that have shaped life on Earth. These microscopic entities, which form the foundation of the biological hierarchy, have a rich and complex history that spans billions of years. All cellular life forms exhibit … Read more

What is Taxonomy? History of Taxonomy Taxonomy, the science of classifying living organisms, has evolved significantly since its inception. The journey of taxonomy traces back to ancient civilizations, undergoing various transformations through the ages, influenced by the works of numerous scholars and the advent of scientific methodologies. Ancient Beginnings: The earliest inklings of taxonomy can … Read more

What is Sporangium? Definition of Sporangium A sporangium is a specialized cellular structure in plants and fungi responsible for the formation, encapsulation, and dissemination of spores. Characteristics of Sporangium Structure of Sporangium The sporangium is a specialized structure designed for the production and protection of spores. Its structure can vary depending on the organism, but … Read more

What is Scientific Method? Definition of Scientific Method The scientific method is a systematic procedure used in scientific research to formulate hypotheses, gather data through observation and experimentation, and draw conclusions based on empirical evidence. It emphasizes objectivity, repeatability, and falsifiability in the pursuit of knowledge. Scientific Method Steps The scientific method is a systematic … Read more

What is Phylum? Definition of Phylum A phylum is a high-level taxonomic rank in biology, ranking below kingdom and above class, used to categorize and group organisms with shared fundamental characteristics and evolutionary relationships. Examples of Phylum 1. Phyla in Kingdom Monera Within the taxonomic realm of Kingdom Monera, encompassing both Eubacteria and Archaea, the … Read more

What is Phylogeny? Definition of Phylogeny Phylogeny is the study of the evolutionary history and relationships among species or groups of organisms, represented visually by a phylogenetic tree. What is Molecular Phylogeny? Molecular phylogeny, a specialized subset of phylogeny, harnesses the power of molecular sequencing to decipher evolutionary relationships and histories among various organisms. Traditional … Read more

What is Phototropism? Definition of Phototropism Phototropism is the directional growth of an organism, especially plants, in response to a light stimulus. Phototropism Lecture Video Phototropism Discovery – Early Experiments The phenomenon of phototropism, where plants grow directionally in response to light, has been a subject of scientific intrigue for centuries. Pioneering experiments by eminent … Read more