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vthakur2212

Joined February 06, 2016

What are SNPs? Why are Scientists interested in them? | Science Samhita

A most common and important source of genetic variability known to be present uniformly throughout the genome is termed Single Nucleotide Polymorphisms or SNPs. Interest in SNPs lies in the fact that these polymorphisms may be responsible for the differences in disease susceptibility, drug metabolism and response to environmental factors between individuals. Even, if they…

How a 2 meters long DNA is fitted into a 2 micrometers Nucleus? | Science Samhita

An average Human cell (diploid) contains about 6.4 billion base pairs of DNA divided among 46 chromosomes. The length of each base pair is about 0.34 nm. Therefore, if the DNA molecule in a diploid cell were laid out end to end, the total length of DNA would be approximately 2 meters…

11 Most Amazing Facts You didn’t know about the DNA. | Science Samhita

DNA is present in every cell of our body that means it is present in almost 100 trillion cells and the total DNA person in these cells can stretch from the Earth to the Sun hundreds of times. DNA is undoubtedly a long structure, but if you compare its width with your hair then it…

Antibiotic Resistance: Its Causes and Mechanisms. | Science Samhita

"Antibiotic Resistance" this term appears to be like some "super terms" used in some science fiction movies. But this term is something from which we should be afraid of because antibiotic resistance and spread of drug-resistant pathogens are one of the most serious and dangerous threats to public health in this 21st century. Microbes often…

How diseases are emerging and re-emerging? | Science Samhita

Fifty years ago people believed that the war of humankind against the infectious diseases was virtually over and science had won over infectious diseases. But, the belief was gone forever when they found that some traditional diseases were re-emerging and many new enemies were being identified. There are many factors such as climate changes, urbanization,…

All You Need To Know About Transplantation Immunology. | Science Samhita

Transplantation is a process of picking some cells, tissues or organs from one site and placing them at another site in same or different individuals. It is generally carried out to replace a diseased organ by a healthy one. The earliest known transplantation was of skin grafts used for reconstruction of a…

The Journey of Genetic Material: from Nuclein to DNA. | Science Samhita

The Journey of genetic material from Nuclein to DNA started with the discovery of Nuclein by Meischer and ended with the Hershey-Chase Experiment. There was a time during this journey when the battle for the title of genetic material was fought between Protein and DNA. But, at the end, DNA unequivocally won the battle and…

Questions We Generally Ask About Natural Killer Cells. | Science Samhita

Natural killer cells are large, granular lymphocytes that are part of the innate immune system and are able to kill cells infected by viruses or by some intracellular bacteria. They are called "Natural Killer Cells" because they have an inherited capability to kill infected cells or tumor cells. These cells recognize their targets by using two different methods, Missing Self Hypothesis and Antibody-Dependent Cell-mediated Cytotoxicity (ADCC). NK cells play a vital role against Viral infections as they provide a first line defense against many of them.....

All You Need To Know About Biosphere Reserves. | Science Samhita

Biosphere Reserves are a special category of protected area of land, wherein people are an integral component. These are meant for preserving biodiversity and integrity of plants and animals on various earth ecosystems. Biosphere Reserves consists of different inter-related zones meant for different activities. Biosphere Reserves comes under "Man and the Biosphere (MAB)" programme of UNESCO. There are around 621 BRs spread over 117 countries and India has set up around 18 BRs.

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