All of us might have heard about nicotine, cocaine and morphine. These are some bad world’s words that we always keep us away from. However, in biochemistry, a beautiful science where every natural compounds are discussed, these bad words along with some beauties have taken a very special sub-field known …

Introduction Heterosis means deviation of the characteristics of offspring from the actual characters of parents. Heterosis is often called true heterosis or euheterosis. It may be defined as the superiority of an F1 hybrid over both of its parents in terms of yield or some other characters (vigorous, sturdier, taller …

  মানুষ সৃষ্টির শ্রেষ্ঠ জীব কিন্তু আশ্চর্যজনক হলেও সত্য যে এই শ্রেষ্ঠ জীবনটিই প্রত্যক্ষ বা পরোক্ষভাবে উদ্ভিদের উপর নির্ভরশীল। আমাদের চারপাশের পরিবেশে দৃষ্টিপাত করলে দেখতে পাব যে, কতই না বিচিত্র আমাদের চারপাশের প্রানিকুল। মানুষের কথাই ভাবি, কেউ কেউ কটূক্তি করলে বা আঘাত করলে আমরা প্রতিশোধপরায়ণ হয়ে যাই কিন্তু গাছ? আপনার …

Healthy animals are colonized by microorganisms routinely. The Human Microbiome, for example, is restricted to five body sites, such as skin, oral cavity, pulmonary tract, gastrointestinal tract, and urogenital tract. Some animals are, however, colonized by sub­stantial populations of microorganisms at sites inside of the body wall, e.g. in the …

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Blue-Green Algae (BGA) The class Myxophyceae or Cyanophyceae is commonly called Blue-Green algae because of the presence of a principal bluish-green pigment (c-phycocyanin) along with green chlorophyll-a, yellowish carotenoids, and some quantity of Myxoxanthin. The combination of the abundant blue and green pigments as mentioned above give these organisms a …

Definition Self-incompatibility is the inability of a pollen to fertilize the stigma of a same flower or the other flower of the same plant. It is a general name for several genetic mechanisms in angiosperms, which prevent self-fertilization and encourage outcrossing. Koelreuter 1st reported SI (Self incompatibility) in Verbascum phoeniceum …

Male sterility The male reproductive organs are mal-developed or aborted so that no viable pollens will be formed. This condition is known as male sterility (M.S) and may be inherited due to genetic, cytoplasmic or interaction of both genetic and cytoplasmic causes.   History of Male Sterility The first documentation …

Rice, Oryza sativa is one of the main staple crops in the whole world especially in Asia. It provides carbohydrate and calories daily to about half of the world population. Besides, in some countries, this annual plant acts also as an economic crop and serves as a source of foreign …

Introduction Lactophenol cotton blue (LPCB) is a widely used staining agent used in laboratories to observe chitin walled organisms (e.g. Fungi). It generally gives the specimen a blue color under microscope and helps to find them easily. It is also very simple to prepare. Composition This mounting medium is composed …