The term Immunity is defined as the resistance shown by the host against the adverse effects caused by microbes and their toxic products. Invertebrates, two types of defense mechanisms work together to contact infection. Innate Immunity (or) Non-Specific resistanceAcquired immunity (or) Specific resistance Innate Immunity It is a non-specific immunity.The …
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A fundamental property of living organisms is their ability to reproduce. Bacteria and fungi can divide to produce daughter cells that are identical to the parental cells. Sexually reproducing organisms produce offspring that are similar to themselves. This article covers the Enzymes Involved in DNA Replication. On a cellular level, this …
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The Theories of Organic Evolution explains convincing the origin of life. It also explains how the wide variety of plants and animals came into existence in the world. According to this theory, the world has been evolved and not been created. Life originated spontaneously in the remote past from non-living …
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Chromatin is the combination of DNA and proteins that make up the contents of the nucleus of a cell. The primary functions of chromatin are: to package DNA into a smaller volume to fit in the cell, to strengthen the DNA to allow mitosis and meiosis and prevent DNA damage, …
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Buffers are the mixture of weak acids and their salts of strong bases (or) the mixture of weak bases and their salts of strong acids. Buffers help to maintain a normal pH of the biological systems. When an acid (or) alkali has added the pH of the solution changes in …
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The first postulate the central dogma, experimentally proved and is that the DNA is capable of self-replication. This was immediately deduced by Watson and Crick that each DNA strand uniquely specifies its complement, but it took longer for the details of the mechanism are elucidated. The first question was that of …
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