Introduction: Deficiency diseases occur when the body does not receive adequate amounts of essential nutrients, leading to impaired physiological functions and the development of specific health conditions. Fat-soluble vitamins (A, D, E, K) and water-soluble vitamins (B-complex vitamins and vitamin C) are vital for various metabolic processes, and deficiencies in …
DeepakRajput 
Recommended Dietary Requirements
Introduction: Recommended Dietary Allowances (RDAs) and Dietary Reference Intakes (DRIs) are guidelines established by health organizations to provide individuals with science-based recommendations for nutrient intake to maintain health and prevent deficiencies. These recommendations vary based on factors such as age, gender, life stage, and physiological conditions. This detailed note aims …
Comprehensive Overview of Vitamins: Sources, Chemical Nature, Functions, and Coenzyme Roles
Introduction: Vitamins are essential organic compounds that play pivotal roles in various biochemical processes within the body. They are crucial for maintaining overall health, supporting growth, metabolism, and physiological functions. This detailed note aims to provide an extensive overview of vitamins, including their sources, chemical nature, functions, and roles as …
Vitamins: Definition, Classification, and Examples
Introduction: Vitamins are essential organic compounds that play crucial roles in various physiological processes within the body. They are required in small amounts but are vital for maintaining overall health, growth, development, and metabolism. Understanding the classification and functions of vitamins is essential for ensuring a balanced and nutritious diet. …
RNA (Ribonucleic Acid): Definition, Function
RNA, or ribonucleic acid, is a crucial macromolecule involved in various cellular processes. It plays a central role in the flow of genetic information from DNA to protein synthesis and has diverse functions within the cell. There are several types of RNA, each with specific functions: 1. Messenger RNA (mRNA): …
Structure of DNA: Watson and Crick Model
In 1953, James Watson and Francis Crick proposed a groundbreaking model for the structure of DNA, a discovery that laid the foundation for understanding the molecular basis of genetics. The Watson and Crick model describes DNA as a double helix composed of two complementary strands held together by hydrogen bonds …
Components of nucleosides and nucleotides with examples
Nucleosides are fundamental components of nucleotides, which are the building blocks of nucleic acids like DNA and RNA. Components of Nucleosides A nucleoside is composed of two main components: 1. Sugar Molecule (Pentose Sugar): The sugar molecule in a nucleoside is a pentose sugar, meaning it has five carbon atoms. …
Definition, purine and pyrimidine bases
Definition of Nucleic Acids Nucleic acids are large, complex biomolecules that play a fundamental role in storing, transmitting, and expressing genetic information in living organisms. These macromolecules are crucial for the inheritance of genetic traits and the synthesis of proteins. There are two main types of nucleic acids: deoxyribonucleic acid …
Qualitative tests and functions of lipids
1. Sudan III Staining The Sudan III staining is a laboratory technique used to detect the presence of lipids, particularly triglycerides and fats, in biological samples. Sudan III is a lipophilic dye, meaning it has an affinity for lipids and can bind to them, resulting in a visible color change. …
Lipoproteins: Types, Composition, and Functions in the Body
1. Introduction Lipoproteins are complexes of lipids and proteins that play a central role in the transport of hydrophobic lipids, including cholesterol and triglycerides, through the bloodstream. 2. Types of Lipoproteins Chylomicrons: Composition: Primarily composed of triglycerides, phospholipids, cholesterol, and proteins. Function: Transport dietary triglycerides from the intestines …
