Sourav Bio 
What is Embryology? Definition of Embryology Advertisements Embryology is the scientific study of the formation, development, and growth of embryos and fetuses within organisms. History of Embryology The historical trajectory of embryology is a testament to humanity’s enduring quest to understand the origins and development of life. This journey, spanning diverse civilizations, offers a rich … Read more
What is Embryonic Stem Cell? Definition of Embryonic Stem Cell Advertisements Embryonic stem cells (ESCs) are pluripotent cells derived from the inner cell mass of a blastocyst, an early-stage embryo, capable of differentiating into any cell type within an organism. History of Embryonic Stem Cell The history of embryonic stem cells (ESCs) is marked by … Read more
What is Endosymbiosis? Definition of Endosymbiosis Advertisements Endosymbiosis is a form of symbiosis in which one organism (the endosymbiont) lives inside the cells or body of another organism (the host), often resulting in mutual benefits for both entities. Endosymbiotic Theory The Endosymbiotic Theory offers a comprehensive explanation for the evolutionary transition from prokaryotic to eukaryotic … Read more
What is Endosymbiotic Theory? Definition of Endosymbiotic Theory Advertisements The Endosymbiotic Theory posits that certain organelles in eukaryotic cells, specifically mitochondria and chloroplasts, originated from free-living prokaryotic cells that were engulfed by ancestral eukaryotic cells, leading to a mutually beneficial symbiotic relationship. Origin of the eukaryotic cell 1. Gene Trees and the Complexity of Eukaryotic … Read more
What is Eukaryotic Cell? Definition of Eukaryotic Cell Advertisements A eukaryotic cell is a type of cell characterized by a membrane-bound nucleus and the presence of various organelles within its cytoplasm, distinguishing it from prokaryotic cells which lack a true nucleus. Eukaryotic cells are found in organisms such as plants, animals, fungi, and many unicellular … Read more
What is Experimental Group? Definition of Experimental Group Advertisements The experimental group, in scientific research, refers to the group subjected to specific changes or treatments in a variable to observe and evaluate potential outcomes, in contrast to a control group which remains unaltered or standardized for comparison. How Does an Experimental Group Work? In the … Read more
What is Feedback Inhibition? Definition of Feedback Inhibition Advertisements Feedback inhibition is a cellular regulatory mechanism in which the end product of a biochemical pathway inhibits the activity of the first enzyme in that pathway, preventing overproduction of the end product. Enzymes, Substrates, and Products Process of Feedback Inhibition Feedback inhibition, a cardinal regulatory mechanism … Read more
What is Food Vacuole? Definition of Food Vacuole Advertisements A food vacuole is a membrane-bound organelle found in certain cells, especially protozoan microorganisms, that encloses and digests ingested nutrients using digestive enzymes, subsequently releasing the digested molecules into the cytoplasm for cellular utilization. Structure Of Food Vacuole The food vacuole, a specialized cellular compartment, is … Read more
Domain: Bacteria Phylum: Actinomycetota Class: Actinomycetia Order: Bifidobacteriales Family: Bifidobacteriaceae Genus: Gardnerella Species: G. vaginalis What is Gardnerella Vaginalis? Advertisements Gardnerella vaginalis is a micro-aerophilic coccobacillus that is a constituent of the vaginal microbiota. This bacterium, while present in the vaginal flora, does not inherently lead to bacterial vaginosis unless its populations become predominant. Contrary to … Read more
What is Genetic Engineering? Definition of Genetic Engineering Advertisements Genetic engineering is the deliberate manipulation of an organism’s DNA using advanced techniques to modify, add, or remove specific genes, resulting in desired genetic traits or functions. Basic Tools of Genetic Engineering Genetic engineering involves the manipulation and transfer of genes from one organism to another. … Read more
What is Genus? Definition of Genus Advertisements A genus is a taxonomic rank in biological classification that groups together species with shared characteristics or evolutionary lineage, positioned above species and below family. Classification System The Naming System In the realm of biological taxonomy, the system of binomial nomenclature stands as a cornerstone for naming organisms. … Read more
What is Gibberellin? Definition of Gibberellin Advertisements Gibberellin is a class of diterpenoid plant hormones that regulate various developmental processes, including stem elongation, germination, flowering, and dormancy. Structure of Gibberellin Biosynthesis of Gibberellin Gibberellins, a class of plant hormones, play a pivotal role in various growth and developmental processes. The intricate pathway leading to the … Read more
What is Glycogen? Definition of Glycogen Advertisements Glycogen is a branched polysaccharide composed of glucose units and serves as the primary form of energy storage in animals and humans. Characteristics of Glycogen Glycogen, often termed “animal starch,” is a pivotal energy reserve in animals, with its counterpart in plants being starch. This complex carbohydrate is … Read more
What is Glycoprotein? Definition of Glycoprotein Advertisements A glycoprotein is a complex molecule composed of a protein covalently bonded to one or more carbohydrate chains, playing diverse roles in biological processes and cell-to-cell interactions. Glycoprotein Structure Methods used to study glycoproteins Glycoproteins, with their intricate structures and multifaceted roles in biological systems, necessitate advanced methodologies … Read more
What is Haploid? Definition of Haploid Advertisements A haploid is a cell or organism that contains a single set of chromosomes, which is half the number present in diploid cells. Typically, gametes, such as sperm and egg cells, are haploid. Haploid number Differences between Haploid and Diploid cells In the intricate realm of cellular biology, … Read more
What Are HeLa Cells? Definition of HeLa Cells Advertisements HeLa cells are an immortal human cell line derived from the cervical cancer tissue of a patient named Henrietta Lacks. First cultured in 1951, these cells have the unique ability to divide and proliferate indefinitely in vitro, making them invaluable for scientific and medical research. Their … Read more
What is Histology? Definition of Histology Advertisements Histology is the scientific study of the microscopic structure of biological tissues. Sample preparation Methods in Histology Histological analysis necessitates meticulous sample preparation to ensure accurate microscopic observation. The preparation techniques vary based on the specimen type and the intended observation method. Herein, we delineate the primary steps … Read more
What is Homeostasis? Advertisements Homeostasis, derived from the Greek words “hómoios” meaning “similar” and “stásis” meaning “standing still,” is a fundamental biological concept that refers to the ability of living organisms to maintain a consistent internal environment, regardless of external fluctuations. This internal equilibrium is vital for the optimal functioning and survival of the organism. … Read more
What is Hyphae? Definition of Hyphae Advertisements Hyphae are the elongated, branching filamentous structures of fungi and actinobacteria, collectively forming the mycelium, which is essential for their growth and development. Hyphae Types Fungal hyphae, the filamentous structures integral to the growth and development of fungi, exhibit a diverse range of types based on various criteria. … Read more
What is Integral Protein? Definition of Integral Protein Advertisements An integral protein is a type of protein that is permanently anchored within the cellular membrane, often spanning its entire width, and plays crucial roles in various cellular functions due to its specific functional domains. Integral Protein Types Integral proteins, a pivotal component of cellular membranes, … Read more
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