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Saturday, January 11, 2020

"Biology is the study of complicated things that give the appearance of having been designed for a purpose"

-- Richard Dawkins


Polyembryony: Multiple Embryos in a Seed

The phenomenon of polyembryony, i.e., the occurrence of mo re than one embryo in a seed, has attracted much attention ever since its initial...


Phases of Growth in Batch Culture

Batch culture: A close system culture of algae in which there will be no supply of withdrawal of culture medium and biomass into or...


Material Transport & Energy Flux in Ecosystem

First model - proposed by Jude (1940) and Lindemann (1942). Later on more sophisticated models proposed, by Odum (1957), Teal (1957) and Mann (1969). Model proposed...


DNA Replication in Eukaryotes: Linear Replication

DNA replication in eukaryotes is a complex and unique process involving many enzymes and thousands of ORI at a single time. Unlike the prokaryotic...


Difference Between: Plant Pathology

This series includes the difference tables betweenLocalized fungicide and Systematic fungicide Localized infection and Systematic infection Soil borne fungi and Seed borne fungi ...


Winogradsky Column

The Winogradsky column is a simple device for culturing a large diversity of microorganisms. Invented in the 1880s by Sergei Winogradsky, the device is...


Cytotaxonomy: Study of Chromosome Behaviour

Chromosome behavious is an important factor that determine the pattern of variation and taxonomic distinctness.Pairing behavior and subsequent separation of chromosome occurs at meiosis. In...


Polysaccharides: The Long Chain of Simple Sugars

Polysaccharides are polymeric carbohydrate molecules composed of long chains of monosaccharide unit bound together by glycosidic linkage. Example: starch, glycogen, cellulose, chitin etc. Characteristics of...


Origin Of Bryophytes

Though almost in all cases, when we talk about origin, it goes about the discussion of fossil, bryophytes don't have any primitive form...

Featured Article

উদ্ভিদপ্রেমীদের চোখে কার্জনহল দেখতে যেমন

ঢাকা বিশ্ববিদ্যালয়ের উদ্ভিদবিজ্ঞানের ছাত্রছাত্রীদের গাছের নাম জানা শুরু হয় কার্জনের গাছ দেখেই। কত হরেক রকম গাছ আছে আমাদের এই কার্জনে, আর উদ্ভিদবিজ্ঞানের বাগানে ঢুকলে...


Study Botany in USA: Steps to Follow

প্রথমেই ক্ষমা চেয়ে নিচ্ছি আমার সেই সব জুনিয়র এর কাছে যারা কিনা আমাকে প্রায়ই নক দেয় এবং অনেক সময় হয়তো আমার পক্ষে ধৈর্য রেখে...

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