Monthly Archive: May 2015

Gram Staining

On the basis of their reaction to gram stain, bacteria can be divided into two major groups- a)      Gram positive bacteria b)      Gram negative bacteria To understand the difference between gram positive and gram negative bacteria, it is essential to…
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Biology

The Use of Thermus Aquaticus in the Polymerase Chain Reaction Scientists use an understanding of the various biological processes common to all life forms in order to further our ability to research and investigate life. In the Polymerase Chain Reaction…
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How Air is Formed

The atmosphere is not a static system, although it is in balance. It is a mixture of gases, with tiny grains of dust suspended in it. It holds in heat and shelters us from the cold of space, as it…
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Red Sky Mythology

It is interesting that many of the well-known weather adages rhyme and scan in the same way that nursery rhymes do. There are other parallels. Both are rooted in myth. We don’t know who made them up and we don’t…
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What is a Bacteriophage Virus

Bacteriophages are viruses that infect bacteria and are among the most common organisms on the planet, if they can be classified as such. They accomplish their infection and propagation with two cycles that work in concert: the lytic cycle and…
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