Biology

Advantages and Disadvantages of Genetically Modified Crops

Genetically modified crops are plants whose DNAs are modified by the genetic engineering methods to develop favorable characteristics. There are large number of debates about the utility, efficacy, advantages and disadvantages of the genetically modified crops. Each side is putting across their views in a deterministic manner. Hence genetically modified crops are referred as double […]

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Difference Between Gram Positive and Gram Negative Bacteria

Gram staining is the first stage in identification of the bacteria. It differentiates the bacteria on the basis of chemical properties of their Cell Wall. Hans Christian Gram was the inventor of Gram staining. Please note that NOT all bacteria can be classified by this technique and only those bacteria which can be classified by […]

DNA Profiling Bill vis-a-vis Right to Privacy

Serious concerns have been raised regarding various provisions of the bill ranging from its reliability to its potential for misuse and errors. Among others, right to privacy is one of the important concern of this bill. These concerns are discussed as below: The bill does not guarantee that data will not be used for anything […]

Human DNA Profiling Bill 2015: Salient Features

DNA is made up of sequence of nucleotides and this sequence is different for each individual. Each sequence acts like a code that determines the characteristics of particular individual. Therefore, an individual’s DNA profile created by recording the sequence of nucleotides is unique. There is only one in trillion possibilities that two individuals could have […]

Plant Macronutrients and Micronutrients

Plants get three elements viz. Carbon(C), Hydrogen (H) and Oxygen (O) from air and water. During the process of Photosynthesis, these three elements are combined to make carbohydrates, with subsequent releasing of Oxygen. While roots absorb water, CO2 enters the plants via stomata (the small leaf openings). Apart from air, 15 of the essential nutrients […]

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