Biosphere Reserves

Biosphere reserves are one of the methods of in-situ biodiversity conservation, which are the largest protected area covering more than 5000 sq. km. These cover more land area than the other methods (National parks and wildlife sanctuaries) of the in-situ biodiversity conversation. They are also termed “Biodiversity reserves“. It conserves biodiversity by protecting plant, animal …

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Nutrition in Bacteria

Nutrition in bacteria is primarily categorized into two major groups, namely autotrophic and heterotrophic. Classification of bacteria in terms of nutritional requirement typically depends on the energy sources, whether in the form of light or chemical energy. Some bacteria obtain energy directly from the sunlight. However, a few bacteria get chemical energy by utilizing inorganic …

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pH Scale

The pH scale is a measurement of the acidic or basic behaviour of the aqueous solution. It clearly denotes the compounds as acidic and basic, when these have pH between 0-6 and 8-14, respectively. A pH scale is an important tool for differentiating the acidic and alkaline products, depending on the colour change that varies …

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Plant Growth Regulators

Plant Growth Regulators are the chemicals derived naturally by the plants, which function is to regulate the length and thickness of plants. PGRs are molecules that can influence or inhibit plant growth. It is also called “Phytophormones” that are generally active at very low concentrations. The PGRs are sometimes referred to as a natural regulator, …

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Examples of Endergonic Reactions

What are the examples of endergonic reactions? Well, before proceeding to that, let’s understand what an endergonic reaction is. It is an energy-absorbing process. Cells undergoing endergonic reactions need free energy from outside to perform any task. Thus, endergonic reactions are always nonspontaneous. Non-spontaneity of the reaction is when the system is unable to move …

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Difference Between 70-S and 80-S Ribosomes

What is the difference between 70-S and 80-S ribosomes? They are classified based on their sedimentation rate. ‘S’ is the non-SI metric unit, expressed as Svedberg’s Unit, that denotes the sedimentation coefficient of the ribosomes. The particle size of ribosomes in prokaryotic and eukaryotic cells differs, due to which they sediment at different rates when centrifuged. …

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