RNA: Definition, Types, Structure and Functions

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Johannes Friedrich Miescher (a Swiss physician and biologist) first discovered the Nucleic acids as ‘nuclein’ from the nucleus in 1869. Severo Ochoa de Albornoz (a Spanish-American physician and biochemist) discovered the RNA synthesis mechanism in 1959. He won the Nobel Prize jointly with Arthur Kornberg in Physiology or Medicine for his discoveries. In 1965, Robert … Read more

Food and Feeding Habits of Fish

image of ood and Feeding Habits of Fish

The inland water bodies consist of small aquariums to nursery ponds, canals, beels, haor, baors (oxbow-lake), rivers, streams, flooded lands, etc. These are called freshwater basins.  The more diverse fish types are found in these water bodies. The shape, nature, feeding habits, color, etc. vary from species to species.  Their cultivation system is also different. … Read more

Food and Nutrition

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Every day we eat food to live. Food is any substance that is consumed by animals to produce energy and aids in the body’s nutrition and growth. It is the animal or plant origin that contains proteins, lipids, carbohydrates, vitamins, and minerals. These components are known as essential nutrients. The nutrients are taken by the … Read more

Ecological Pyramid: Types and Significance

G. Evylen Hutchinson and Raymond Lindeman first discovered the ecological pyramid. They graphically presented the definite relationship between the various forms of organisms such as producers and consumers at different trophic levels and made the graphical presentation which looks like a pyramid. In this case, the producers make up the base and the successive level … Read more

Glycolysis: Features, Steps and Significance

Glycolysis is the metabolic pathway where one molecule of glucose (C6H12O6) converts into pyruvic acid with the help of enzyme. Glycolysis occurs in the cytoplasm of the cell during both anaerobic and aerobic respiration. It is also known as EMP pathway i.e., Embden-Meyerhof-Parnas pathway named after German Biochemists Gustav Embden, Otto Meyerhof, and Jakub Karol … Read more