Blood cells

The blood cells are part of the blood circulatory system. Blood is a fluid, which is pumped out by the heart, then it is circulated throughout the body and then it goes back to the heart through the process called “Circulation of blood”. It consistently flows in the circulatory system and it is also considered …

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Fermentor

A Fermentor is a device used to accomplish the fermentation process by using microorganisms, and for this reason, it is also called “Biofermentor or Bioreactor“. It is equipped with all the elements that are necessary to carry out the commercial production of substances like antibiotics, enzymes, beverages etc. in many industries. Fermentor is designed in …

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DNA Polymerase

DNA polymerase is a complex enzyme. It carries out polymerization of DNA, as it is clear from its name DNA polymerase. Sometimes, it is also called as DNA pol. In prokaryotes,  DNA polymerases are typical of three types, namely DNA pol-I, pol-II and pol-III and five types in eukaryotes, namely DNA pol-α, pol-β, pol-Ƴ, Pol- …

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Lac-Operon

Lac-operon is a system, which involves the regulation of protein synthesis or the synthesis of enzymes by the set of genes. This concept can be well studied by the gene expression in prokaryotes like E.coli and other bacteria. The concept of Lac-operon was first explained by Jacob and Monad in E.coli. Lac-operon refers to the …

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Muscular Tissue

Muscular tissue is a type of tissue present in the group metazoans, for the body movement or locomotion. Metazoans are the multicellular organisms belongs to the kingdom Animalia, whose cells differentiates to form tissues and organ. Muscular tissue provides mobility to the body organs of the organism. Muscle tissues are of three types namely striated, unstriated …

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Ozone Depletion

Ozone depletion is the process of destruction of the ozone layer in the stratospheric region. It can adversely affect various living forms. Ozone depletes by the many pollutants that are emitting out from the vehicles, industries etc. Ozone layer depletion is one of the major environmental issues, which needs to be controlled as the layer …

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Bacteriophage

A Bacteriophage possesses viral proteins, which can disrupt their host cell, i.e. Bacteria. It first attaches to the susceptible bacterial cell and injects its genetic material into the host cell. The viral genome within the host cell takes over the cell machinery and uses the bacterial components to release viral proteins. Eventually, the viral proteins …

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