What is amitosis in cell division


Introduction  Cells can reproduce from new cells. Continuity of life depends on cell division. In unicellular organisms, cell division is the means of reproduction. Multicellular organisms develop from a single-cell zygote which undergoes repeated cell division to differentiate into a new individual. There are three different processes of cell division namely amitosis, mitosis, and meiosis. … Read more

Radial Symmetry

Radial symmetry is a type of body symmetry in different regions and directions of the body. It is found in both natural objects and organisms and man-made objects (clock, wheel).  If a body is not divisible into equal halves by any plane it is called asymmetrical as in sponges. An animal is said to be … Read more

Multifaceted Function of the liver

Function of the liver

Introduction The liver is the largest gland in the body weighing about 1.5 Kg in an adult human. Located at the upper right part of the abdominal cavity below the diaphragm (a shelf-like partition separating the thoracic cavity from the abdominal cavity). It has two main lobes right and left. It receives oxygenated blood from … Read more

White blood cells and red blood cells

Introduction White blood cells and red blood cells are two important constituents of blood. Blood is the fluid connective tissue in the human body. It plays a major role in the transport of nutrients, oxygen, carbon dioxide, and other substances throughout the body. Blood  comprises of two parts : Plasma Formed elements or blood corpuscles. … Read more

Difference between Polyp Vs Medusa 

Polyp vs medusa

Introduction Cnidarians inhibit all regions of the world’s ocean and some freshwater environments. They are an integral part of the marine ecosystem. The habitats of cnidarians vary greatly on whether they take on predominantly polyp body forms or medusa body forms. In this topic, we will know in detail about polyp vs medusa forms. About … Read more

Pancreatic enzymes

Pancreatic enzymes

Introduction The pancreas, also called a mixed gland, plays an important role in digestion. The enzymes secreted by the pancreas are called pancreatic enzymes to break down foods. It includes amylopsin, trypsin, and steapsin. The pancreatic enzymes are stored in the form of zymogen granules. Enzymes are active proteins and the final form of biocatalysts. … Read more

Do animal cells have the cell wall?

Do animal cells have the cell wall

Introduction Do animal cells have a cell wall? well, the answer to this very curious question is “Animal cells do not possess a cell wall”. It is exclusively present in all plant cells, fungi, bacteria & cyanobacteria. Some protists also have cell walls. The cell wall is basically the outermost, rigid & nonliving covering. In … Read more

Classification of life: The three major domains

Classification of life

Know in one minute about the Classification of life The classification of life is mainly based on basis of their similarities and dissimilarities or according to their natural relationship to each other. Carolus Linnaeus also known as the “Father of Taxonomy” was the pioneer in the work of classification. He was the first to suggest … Read more

Nephron Function and Urine Formation

Nephron Function

Nephron The kidneys are the primary organs of excretion removing nitrogenous wastes. It is made up of nephrons which form urine. In this topic, we will see in detail the nephron function and mechanism of urine formation. Definition Nephron: It is the structural and functional unit of the kidney each capable of forming urine. Importance … Read more

Cnidaria: Characteristics, Diversity, and Adaptations

Cnidaria Cnidarians or Cnidaria are the first true metazoans (having bodies comprised of cells that are differentiated into tissues), exclusively aquatic. About 99% of Cnidarians occur in the marine environment and the rest 1 % occur in fresh water. Corals, sea anemones, and jellyfish belong to this phylum. In this article, we will learn more … Read more