TISSUE CULTURE - 2

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                                               Callus Culture

Callus is basically a more or less non-organized tumor tissue which usually arises n wounds of differentiated tissues and organs. Thus, in principle, it is a non-organized and little-differentiated tissue. The cells in callus are of

Introduction to Biotecnology

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INTRODUCTION
As our understanding of bilogical sciences increases, We wish to produce  more and more usefull  and economical products. Discovery of biotechonology creat a good relationship of biological sciences with economics. Now we are able to produce various Commercial Biologial Product(CBP). In this chapter we will try to understand the fundamentals of biotechnology.

History of genetics

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Brif history of genetics
                                                                                                                                                                                                                                                                                           mkbhelloria90@gmail.com

GRAM STAINING OF BACTERIA

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GRAM STAINING

The Gram stain is a differential  stain which allows most bacteria to be divided into two groups, Gram-positive bacteria and Gram-negative bacteria. The technique is based on the fact that the Gram positive cell wall has a stronger attraction for crystal violet when Gram's iodine is applied than does the Gram negative cell wall. Gram's iodine is known as a mordant. The procedure was discovered by Christian Gram in 1884.