Sourav Bio 
Advertisements A microscope condenser is an integral optical component in the realm of microscopy, designed to focus and direct light onto the specimen being examined. This specialized lens system is strategically positioned beneath the microscope stage, a placement crucial for optimal illumination. The primary function of the condenser is to gather light from the microscope’s … Read more
What is Objective Lens? Purpose of Objective Lenses Advertisements Objective lenses serve several key purposes in optical instruments, playing a critical role in magnification, image formation, and resolution. The primary purposes of objective lenses include: Specification of Objective Lens The specification of an objective lens encompasses several key parameters that define its performance and suitability … Read more
What is Folin-Wu Method? Principle of Folin-Wu Method Requirements Procedure of Folin-Wu Method Advertisements Step 1: Preparation of Protein-Free Filtrate Step 2: Testing Procedure This process results in a color change proportional to the glucose concentration in the blood sample. By comparing the absorbance of the test sample against the standard, the glucose level in … Read more
Advertisements Glucose, a key sugar molecule, plays a vital role in the human body as the primary carbohydrate found in the bloodstream. Its importance lies in its function as the main source of energy for various body tissues, notably the brain. When glucose is metabolized, it undergoes a sequence of chemical processes that result in … Read more
Advertisements Hemoglobin, often abbreviated as Hb, is a vital protein found in red blood cells (RBCs). Its primary role in the human body includes the transport of oxygen from the lungs to various tissues and the transfer of carbon dioxide from tissues back to the lungs. Additionally, hemoglobin plays a significant role in maintaining the … Read more
Advertisements Biodiversity is a term that might sound complicated, but it’s actually a simple and really important idea. Imagine you’re walking through a forest. You see different types of trees, hear various birds singing, and spot all sorts of insects and animals. All these different forms of life, including the plants, animals, and microorganisms, as … Read more
Advertisements UV Spectroscopy is a scientific method that’s like a detective tool for scientists. It helps them understand what’s happening in a molecule when it interacts with light, specifically ultraviolet light. This type of light is invisible to our eyes but plays a crucial role in the world of molecules. Imagine a molecule as a … Read more
What is Mantoux Test? Principle of Mantoux Test Advertisements The Mantoux test operates on the principle of delayed-type hypersensitivity, specifically Type IV hypersensitivity. This test is designed to assess a person’s cell-mediated immunity against the bacterium Mycobacterium tuberculosis. To conduct this test, a substance known as Purified Protein Derivative (PPD) is used, which is essentially … Read more
What is Diaphragm of a Microscope? History of Diaphragm Definition of Diaphragm of a Microscope Advertisements The diaphragm of a microscope is a component that controls the amount of light that passes through the specimen being observed. It is typically located between the light source and the stage, and consists of a series of adjustable … Read more
What is Chargaff’s Rules? Definition of Chargaff’s Rules Advertisements Chargaff’s Rules are two fundamental principles discovered by biochemist Erwin Chargaff, which dictate the base pairing in DNA. The first rule states that in DNA, the amount of adenine (A) is equal to thymine (T), and the amount of cytosine (C) is equal to guanine (G). … Read more
What is Carbon Fixation? Carbon Fixation Definition Advertisements Carbon fixation is a biological process where atmospheric carbon dioxide (CO2) is converted into organic compounds, primarily by plants, algae, and certain bacteria. This process is a key component of photosynthesis, enabling the incorporation of inorganic carbon from the atmosphere into organic molecules like carbohydrates, thereby playing … Read more
What is Photosystem I (PS1)? Definition of Photosystem I (PS1) Advertisements Photosystem I (PSI) is a crucial protein complex in oxygenic photosynthesis, primarily found in algae, plants, and cyanobacteria. It functions by capturing light energy to drive the transfer of electrons across the thylakoid membrane, from plastocyanin to ferredoxin. This process contributes to the synthesis … Read more
What is Photosystem 1 (PS1)? What is Photosystem 2 (PS2)? Difference between Photosystem 1 (PS1) and Photosystem 2 (PS2) Feature Photosystem I (PSI) Photosystem II (PSII) Location in Thylakoid Membrane Outer surface Inner surface Photocenter P700 P680 Absorbing Wavelength >680 nm <680 nm Photophosphorylation Both cyclic and non-cyclic Only non-cyclic Photolysis of Water No Yes … Read more
What is Golgi Body (Golgi Complex)? Definition of Golgi Body (Golgi Complex) Advertisements The Golgi body, also known as the Golgi complex or Golgi apparatus, is a membrane-bound organelle found in most eukaryotic cells. It functions primarily in the processing, packaging, and distribution of proteins and lipids, which are transported in vesicles to various destinations … Read more
What is Cellular Junctions or Cell junction? Definition of Cellular Junctions or Cell junction Advertisements Cellular junctions, or cell junctions, are specialized structures in eukaryotic cells that facilitate adhesion and communication between adjacent cells or between a cell and the extracellular matrix. These junctions are essential for maintaining the structural integrity of tissues and enable … Read more
What are Peroxisomes? Advertisements Peroxisomes, identified as membrane-bound cell organelles in eukaryotic cells, were first described by J. Rhodin in 1954 and subsequently recognized as cell organelles by Christian de Duve in 1967. These organelles, small vesicles containing digestive and oxidative enzymes, play a pivotal role in cellular metabolism. They are integral in converting hydrogen … Read more
What is Oxidative Phosphorylation? Definition of Oxidative Phosphorylation Advertisements Oxidative phosphorylation is a metabolic process that occurs in the mitochondria, where energy derived from the electron transport chain is used to produce adenosine triphosphate (ATP) from adenosine diphosphate (ADP) and inorganic phosphate, with oxygen acting as the final electron acceptor. Sites of oxidative phosphorylation in … Read more
What is Yeast? Definition of Yeast Cell Advertisements A yeast cell is a single-celled, eukaryotic microorganism belonging to the fungus kingdom, characterized by its ability to ferment sugars into alcohol and carbon dioxide. It is widely used in baking, brewing, and biotechnological industries. Yeast cells vary in size and shape, reproduce mainly asexually through budding, … Read more
What is the Endoplasmic Reticulum? Endoplasmic Reticulum (ER) Definition Advertisements The endoplasmic reticulum (ER) is a large, membrane-bound organelle found in eukaryotic cells. It plays a crucial role in the synthesis, folding, modification, and transport of proteins and lipids. The ER is divided into two types: the rough ER, studded with ribosomes and involved in … Read more
What are lipids? Classification of Lipids Based on the Chemical Composition 1. Simple Lipids Advertisements Simple lipids are fundamental components in the realm of biological molecules. They primarily consist of neutral fats and oils, as well as waxes. These lipids play crucial roles in various biological processes, especially in energy storage and insulation. 2. Compound … Read more
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