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Designer Plants - Many years ago, Frederick Steward and his co-workers cultured cells from carrot plants and induced some of them to develop into small embryos. Some of these embryos grew into whole plants. Today, researchers routinely regenerate crops, plants and many other pla..

Many years ago, Frederick Steward and his co-workers cultured cells from carrot plants and induced some of them to develop into small embryos. Some of these embryos grew into whole plants. Today, researchers routinely regenerate crops, plants and many other plant species from cultur..

A logo for a company uniform was designed on a paper and it measured 14 inches in length. The designer was asked to decrease the size of the logo so that the logo on the uniform would measure 3.5 inches. Find the scale factor. => 5 or 1 5 or 4 or 1 4..

. In 1907, Korn sent the first inter-city fax when he transmitted a photograph from Munich to Berlin. This was perhaps the greatest boost the fax machine had faced so far, and soon many people would try to perfect the machine. In France, Edouard Beeline constructed the Belinograph. His invention in..

According to Lamarck, continuous use of a part results in it being well-developed and disuse of a part over a long period of time will result in its degeneration. For example, giraffes were forced to extend their necks and stretch their legs to reach higher vegetation over a period of ti..

Policy decisions are already taken in India to undertake technology developments for alternatives to CFCs. Two CSIR laboratories - National chemical laboratory and Indian Institute of Chemical technology are working on this. Along with this, parameters for design modificat..

+ X with an sperm with 22A. So the genetic composition is 44+ X0. It develops into a female individual with rudimentary ovaries. They have a short stature, webbed neck, broad chest, lack of secondary sexual characteristics and sterilit..

The energy produced due to the 'fission of nuclei' of certain heavier elements (such uranium), or by the 'fusion of nuclei' of lighter elements (such as hydrogen), is called nuclear energy . Nuclear reactions generate very large and powerful amounts of energy. They can be used for peaceful purpose..

We are already familiar with set theory and mathematical logic from earlier classes. It has already been seen that there is a similarity between the laws stated in set theory and the mathematical logic. The operations 'union', 'intersection' and 'complement' on sets are comparable with the operatio..

This type of sex determination occurs in insects and mammals including human beings. Here, the females have two identical homologous sex chromosomes designated as XX and the males have two dissimilar sex chromosomes designated as X and Y. Thus, females are homogametic, producing..