Topoisomerase DNA is not just a straight ladder — in the cell, it’s supercoiled, twisted, and packed tightly. Whenever DNA is opened (for replication, transcription, or repair), the double helix Read More …
Topoisomerase
Author: Mr. Arvind Kumar
Structure and Function of DNA
Introduction DNA, or Deoxyribonucleic Acid, is the fundamental molecule that carries genetic information in all living organisms, from the simplest bacteria to complex plants and animals, including humans. It is Read More …
Thalassemia
Introduction Thalassemia is a group of inherited blood disorders characterised by reduced or absent production of one of the globin chains of haemoglobin, resulting in anaemia. Haemoglobin is a protein Read More …
Hemolytic Disease of the Newborn
Introduction Hemolytic Disease of the Newborn (HDN) is a condition that arises when there is incompatibility between the blood of the mother and the fetus, leading to the destruction (hemolysis) Read More …
Sickle cell anemia
Introduction Sickle cell anemia is a serious genetic disorder of the blood where the red blood cells (RBCs) become abnormally shaped. Instead of being round and flexible, like a donut, Read More …