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In every walk of life, chemistry has been the pioneer contributor towards enabling the comfort, convenience and pleasures of man. Chemistry has helped us in getting a number of amenities. Some examples are: Domestic requirements such as better fabrics, soaps, shampoos, cosmet..

In long-distance lines, losses are so high that satisfactory operation becomes impossible without the use of amplification. Amplifiers for telephone service are known as repeaters, and they must of course function in both directions along the line. Repeater stations are ordinarily installed at 50-m..

Chromosomes (chroma = colour, soma = body) are tiny thread-like structures found in the nucleus of a cell. In a non-dividing cell they appear as a chromatin network while during cell division they become condensed to form short and thick chromosomes. Chromosomes are unique cell stru..

Chromosomes - Chromosomes (chroma = colour, soma = body) are tiny thread-like structures found in the nucleus of a cell. In a non-dividing cell they appear as a chromatin network while during cell division they become condensed to form short and thick chromosomes. Chromosomes are unique c..

Man's quest for sources of energy is inexhaustible. Early man depended mainly on muscular energy and later began to use wind and flowing water as sources of energy. He learned the art of making and controlling fire. Fire became his source of light at night. He used fire for warmth and realized that..

At each pole, the gathering chromosomes become less distinct as they merge into a network The nucleolus reappears at each pole. A newly formed nuclear membrane encloses the chromatin network. Thus two daughter nuclei are formed. The number of chromosomes in each daughter nucleus..

Friction is unavoidable in our day-to-day lives. Man keeps trying so many techniques to reduce friction in any process, but he also realises that without friction none of his work would have been possible. Life would have been impossible without the aid of friction. Yet friction is ..

Finding the right topic is usually the hardest part of writing. You may have chosen a broad topic like 'Sports'. Now you will have to limit it to, say, 'Sports at School' or 'The Importance of Sports in My Life' or 'My Favourite Sport - Cricket'. But even these topics are too big. Keep ..

XYZ Basavanagudi Bangalore 28-1-2004 The Editor Indian Times Bangalore Dear sir Subject: Migration of IT professionals It is a matter of great shame and pity that so many of our professionals and intellectuals are making an exodus to other parts of the world in search of greener pastures. The reas..

Polymers are macro-sized molecules of relatively high molecular mass, which find extensive use in our daily life. Polymers are large but single chain-like molecules in which the repeating unit derived from small molecules called monomers are covalently linked. Structurally, they are chara..