What is DNA Replication?

DNA replication is the process by which DNA makes a copy of itself during cell division. The first step in DNA replication is to ‘unzip’ the double-helix structure of the DNA This is carried out by an enzyme called helicase which breaks the hydrogen bonds holding the complementary bases of DNA together (A with T, C with G). The separation of the... Continue Reading →

Do we really use only 10% of our brain?

Most of us believe in the fact that we use only 10% of our brain. In an average, an adult spends 20% of the total glucose burnt to sustain the brain's energy requirement, while in children the value goes up to 50% and in infants, it is 60%. As a matter of fact the brain requires a lot... Continue Reading →

What is DNA?

DNA or deoxyribonucleic acid is a long molecule that contains our unique genetic code. Like a recipe book, it holds the instructions for making all the proteins in our bodies.   Your genome is made of a chemical called deoxyribonucleic acid, or DNA for short. DNA contains four basic building blocks or ‘bases’: adenine(A), cytosine(C), guanine (G) and thymine (T). The order, or sequence,... Continue Reading →

What is a genome?

A genome is an organism’s complete set of genetic instructions. Each genome contains all of the information needed to build that organism and allow it to grow and develop.  Our bodies are made up of millions of cells (100,000,000,000,000), each with their own complete set of instructions for making us, like a recipe book for the body.... Continue Reading →

Branches of Biology and their Fathers​

Here is list of various fields of biology and scientists who are regarded as father or founder of each of the field. Father of Biology  Aristotle Father of Modern Biology  Linnaeus Father of Antibiotics  Alexander Fleming Father of Taxonomy  Carolus Linnaeus Father of Immunology  Edward Jenner Father of Microbiology  Anton van Leeuwenhoek Father of Modern... Continue Reading →

DNA Replication-3D Animation

Deoxyribonucleic acid (DNA), the genetic material for most of the living organisms, duplicates itself before the cell division by the process of cell division. This animation briefly explains the process of DNA replication, that involves enzymes like the Helicase, Primase, DNA polymerase, Exonuclease and DNA ligase. It also talks about the leading and the lagging... Continue Reading →

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DNA to Protein- 3D Animation

The information stored in the DNA is decoded by the process of transcription and translation and results in the formation of the polypeptide chain or the protein, a very important and essential biomolecule in any living organism. This video provides a broad and clear picture of the process of gene expression with the help of... Continue Reading →

Electron Microscopic Images of HIV

Here are some of the images obtained via the electron microscope along with some of the relevant  information. This scanning electron microscopic (SEM) image revealed the presence of the human immunodeficiency virus (HIV-1), which had been co-cultivated with human lymphocytes. Note the lymphocyte in the lower left, and some of its extended pseudopodia. HIV-1 virions... Continue Reading →

HIV and its progression to AIDS

HIV The human immunodeficiency virus (HIV) is one of the most unique and dangerous virus. I say unique because of the fact that once the virus colonizes the host, the host cannot get rid of the virus till it is alive. That means that once a person is having HIV, he/she has to live it... Continue Reading →

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