RNA | Definition, Structure, Types, & Functions | trscareer

What is RNA Ribonucleic acid (RNA) is an important biological macromolecule that help in synthesis of protein in our body. And also various biological roles in Coding, Decoding, Regulation, and Expression of genes.  Ribonucleic acid (RNA) is a nucleic acid present in all living cells that has structural similarities to DNA. Unlike DNA, however, RNA … Read more

Human Digestive System Parts and Functions

Digestion is the process of breaking down complex food materials into simpler substances by the action of enzymes. Stage of Digestion Ingestion: The act of eating / feeding. Food is taken into the mouth where it is physically broken down by the teeth into smaller pieces. In vertebrates, the teeth, saliva, and tongue play important … Read more

DNA: Definition, Structure, Function and Discovery

What is DNA? ”DNA, or deoxyribonucleic acid is the molecule that carries genetic information and pass if  from one generation to next.” DNA is a complex molecules that contain all the information responsible for the development nd function of an organism. Most DNA is located in the cell nucleus (where it is called nuclear DNA), … Read more

Nucleic Acid-Definition, Types, Structure and Function

 Definition From the nuclei of pus cell in 1868 Friedrich Miescher isolated an acidic substance, he called it nucleic acid.  A nucleic acid are macromolecules, which means they are molecules composed of many smaller molecules unit. This unit called nucleotides, and they are chemically linked to one another in a chain. A major function of … Read more

Lipids-Definition, Structure, Classification, Properties, Example and Function

Definition Another word for ”fat”. A lipid is any of various organic compounds that are soluble only in nonpolar solvents and insoluble in water because water is a polar molecules. Lipids refers to a group of compounds such as oils, steroids, waxes, fats, hormones, fat soluble vitamins, and certain components of membranes and function as … Read more

Biomolecules- Carbohydrate, proteins, Lipids and Nucleic acids

Definition:- In a simplified way, molecules that occur naturally in living organism called biomolecules. Biomolecules have a wide range of size and structures and perform a vast array function. They are organic substances necessary to carry out various life process which are importance for the maintenance of living organism. These  include organic molecules that are … Read more

Pancreas-Definition, Location, anatomy, Function, Diseases

Definition  The pancreas is located behind the stomach in the upper left abdomen and surrounded by liver, spleen, and small intestine. The pancreas is a mixed or heterocrine gland (both exocrine and endocrine) The exocrine portion secretes an alkaline pancreatic juice containing enzymes and the endocrine portion secretes hormones, insulin and glucagon. As a part … Read more

Gland – Definition, types and function

Definition Glands are important organs locate throughout the body. ”In human, A gland is a group of cell or a secreting organ that produce and release chemical substance that perform certain function”.  The glands are of two types based on the mode in which they are released or secreted. Endocrine gland( these are ductless gland ) … Read more