In this article we will discuss about the Watson and Crick’s Model of Double Helix of DNA. Watson and Crick studied in advance the manuscript of Pauling and Corey in 1953. They concluded that: (i) Polynucleotide chain of DNA has a regular helix, (ii) The helix has a diameter of about 20 Å, and (iii) […]
Watson and Crick’s Model of Double Helix of DNA | Biochemistry
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DNA Repair: Definition and Mechanisms | Genetics
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In this article we will discuss about the definition and mechanisms of DNA repair. Definition of DNA Repair: One of the main objectives of biological system is to maintain base sequences of DNA from one generation to the other. Changes in DNA sequence arise during replication of DNA damage by chemical mutagens and radiation. During […]
Recombinant DNA Technology: Definition and History | Genetics
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In this article we will discuss about:- 1. Definition of Recombinant DNA 2. History of Recombinant DNA 3. Milestones. Definition of Recombinant DNA: For centuries humans have been altering the genetic makeup of organisms by selective breeding of plant and animals. The deliberate modification in genetic material of an organism by changing the nucleic acid […]
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