May, 2019

• 27 May

  The Disease Cycle: Stages of Disease Development

  

  Who hasn’t seen plants with some kind of abnormalities? We all have, right? Sometimes in the form of some black spots or white powders in the leaves; or sometimes those rotten roots or stems; or maybe those holes in the fruits that are making them inedible and many more. Perhaps …

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• 27 May

  Microbiology: Stories in Extreme Habitats

  

    WHAT IS EXTREME ENVIRONMENT? An extreme environment exhibits conditions which are challenging for most life forms. These may be extremely high or low ranges of temperature, radiation, pressure, acidity, alkalinity, air, water, salt, sugar, carbon dioxide, sulfur, petroleum and many others. An extreme environment is one place where humans …

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• 26 May

  Replication of Circular DNA: Rolling Circle Model

  

  DNA Before discussing “The Replication Of Circular DNA”, first we are going to give a short introduction to DNA. DNA or Deoxyribonucleic acid is the hereditary material present in all living organisms through which the characteristics of one generation are transmitted to the next one. It contains the genetic information …

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• 26 May

  উদ্ভিদের সাথে পরিচিতিঃ মধু লনিসেরা Lonicera japonica

  

  আমাদের গল্পের জায়গায়, কার্জনহলের মেহগনি গাছের নিচে যখন বসতাম আশে পাশের গাছগুলো মুগ্ধ করতো আজো মুগ্ধ করে বলেই সেখানে বসা। সেখানে প্লাস্টারকরা বোর্ডের পাশেই মাটিতে লতানো একটা অচেনা উদ্ভিদ ছিলো। একদিন আমি আর  আমার বন্দ্ধ শামীম বসে  ছিলাম। এইদিক ঐদিক দেখতে দেখেতেই হঠাৎ সেদিকে নজর পড়লো তাই কি ধরনের উদ্ভিদ, …

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• 26 May

  Evolution of Green Algae: Chlorococcine Trend

  

  (Evolution of Green Algae has three articles based on its three trends. All of these articles start and end with same paragraphs. If you want to avoid these intros, directly migrate to the point “Chlorococcine line of evolution“). Evolution of Green Algae: Vovocine Trend Evolution of Green Algae: Tetrasporine Trend …

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• 26 May

  Evolution of Green Algae: Tetrasporine Trend

  

  (Hello..readers, Evolution of Green Algae has three articles based on its three trends. All of these articles start and end with same paragraphs. If you want to avoid these intros, directly migrate to the point “Tetrasporine line of evolution” which is after the second horizontal line). Evolution of Green Algae: Volvocine …

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• 25 May

  Prion: The Mysterious Infectious Agent

  

  What is prion? Prion is a term first used to describe the mysterious infectious agent responsible for several neurodegenerative diseases found in mammals,including Creutzfeldt-Jakob diseases(CDJ) in humans. The word itself derives from ‘proteinaceous infectious particle’; It refers to the initially heretical hypothesis is that the infectious agent causing those diseases …

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• 23 May

  Polyploidy: A Game with Chromosome Numbers

  

  Polyploid Organism bearing the exact multiple of the basic chromosome number (x) of the species. In polyploid cells and organisms, the number of chromosome sets exceeds that of diploid. Depending on the number of chromosome sets, polyploid can be classified as triploids, tetraploids, pentaploids etc. Good to know In potato, …

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• 23 May

  Karyotype and Idiogram : A way to provide preliminary idea about Genome

  

  Karyotype Most living organisms have chromosomes as the structural and functional units of genetic information in their cells. The number and appearance of chromosomes vary species to species. A karyotype is an organized profile of total chromosomes in a species or in an individual organism. It gives a preliminary idea …

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• 23 May

  Model Organism in Lifescience : Arabidopsis thaliana

  

  A model organism is a nonhuman species that is used as a framework to develop and standardize the analysis which is applicable to other species. It’s an in vivo model which is extensively used to study human diseases when human experimentation would be unethical.  In studying human diseases,  model organisms …

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