Deoxyribonucleic Acid (DNA) DNA stands for deoxyribonucleic acid‚ it is located in the nuclei of cells which make up the body. DNA is quite often referred to as one of the building blocks of the body.. It is made up of four bases known as: • Adenine • Guanine • Cytosine • Thymine James Watson‚ Francis Crick‚ Maurice Wilkins‚ Rosalind Franklin Crick and Watson‚ together with Maurice Wilkins‚ won the 1962 Nobel Prize in physiology or medicine for their 1953 determination of the structure of
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Since its discovery in the 1980’s‚ the application of DNA has been utilized in many ways. When Deoxyribonucleic Acid‚ or DNA is examined‚ a precise decoding of genetic information is revealed. With the exception of identical twins‚ every person’s genetic code (commonly referred to as a Genetic Fingerprint) is inherited and unique. From Maury advising men everyday on TV “You ARE the Father!” or “You are NOT the Father!” to learning the descendents of former slaves are related to President Thomas Jefferson
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the structure of DNA. ➢ DNA is a nucleic acid‚ which consist of long chains (polymers) of chemical units (monomers) called nucleotide. A molecule of DNA contains two polynucleotides‚ each a chain of nucleotides. Each nucleotide consists of a nitrogenous base‚ a sugar‚ and a phosphate group. Each DNA strand serves as a mold‚ or template‚ to guide reproduction of the other strand. There are four different types of nucleotides found in DNA‚ differing only in the nitrogenous base. DNA is contained in
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History of DNA WebQuest 1. Friedrich (Fritz) Miescher http://www.dnai.org/timeline/index.html Find Miescher on the timeline and click on the bucket with the Red Cross to watch the animation. In 1869‚ he extracted a substance from white blood cells that he called nuclein. What do you think he was actually extracting? 2. Frederick Griffith http://biology.clc.uc.edu/courses/Bio104/dna.htm Frederick Griffith’s famous experiment was conducted in 1928. In his experiment‚
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process by which DNA turns into polypeptides is a complicated and long. Two main steps in changing the DNA into a polypeptide are transcription and translation‚ with transcription coming first. The process first starts in the nucleus of the cell. The DNA begins to unfold with the help of a helicase. During the transcription phase of the change‚ strands of DNA begin to unwind and the complementary mRNA is made or transcribed. The way they do this is by using the common pairs of DNA triplet bases (A-T
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International Journal of Computer Applications (0975 – 8887) Volume 29– No.8‚ September 2011 Analysis on DNA based Cryptography to Secure Data Transmission S.Jeevidha Dept. of CSE Pondicherry University Pondicherry‚ India Dr.M.S.Saleem Basha Asst Professor‚ Dept. of CSE Pondicherry University Pondicherry‚ India Dr.P.Dhavachelvan Professor‚ Dept. of CSE Pondicherry University Pondicherry‚ India ABSTRACT The biological research in the field of information technology paves the exploitation
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The Advantages of DNA Replication DNA stands for Deoxyribonucleic acid‚ and it is found in the nucleus of every cell in the human body. DNA is the master plan - it contains all the genetic information needed for a living thing to develop and function. Each and every single organism has a unique and different DNA encoding. DNA’s purpose is to store all of our genetic information similar to the way a builders blue print sets out the design of a house. Without DNA there would be no such thing as
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When you choose to seek after DNA paternity testing for your tyke you may choose to locate the least expensive administration you can with a specific end goal to spare some cash. Be that as it may‚ you would do you and your youngster an incredible injury by picking the least expensive administration you can discover! DNA testing administrations are held to various measures and modest labs frequently don’t promise the same level of value or precision that different labs do on the grounds that they
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MOLECULAR STRUCTURE OF DNA AND RNA •Adapted from Chapter 9 in Genetics: Analysis and Principles (Robert J. Brooker) Copyright ©The McGraw-Hill Companies‚ Inc. Permission required for reproduction or display IDENTIFICATION OF DNA AS THE GENETIC MATERIAL • To fulfill its role‚ the genetic material must meet several criteria – 1. Information: It must contain the information necessary to make an entire organism – 2. Transmission: It must be passed from parent to offspring – 3. Replication:
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DNA – RNA Notes The sugar in DNA is called deoxyribose. The sugar in RNA is called ribose. -RNA is a single strand of nucleotides. DNA is made of two strands of nucleotides. -DNA is a double helix with hydrogen bonds linking the nitrogen bases. RNA is a linear strand with no hydrogen bonds. -The bases of DNA are: Adenine‚ Thymine‚ Cytosine‚ and Guanine. The bases of RNA are: Adenine‚ Uracil‚ Cytosine‚ and Guanine. -RNA does not have Thymine‚ and DNA does not have Uracil. -In DNA
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