forefront is DNA vaccination. DNA vaccines are bacterial plasmids that encode the polypeptide sequence
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Extracting DNA from Wheat Germ Cells Criteria to be assessed CE Introduction: DNA is the abbreviation for deoxyribonucleic acid. DNA is found in the nucleus of every cell & it stores the information that makes up living organisms. It is a double helix of 4 nucleotides. It contains a code that allows the body to make up proteins. The nucleotides are Cytosine‚ Guanine‚ Adenine and Thymine. (1) Wheat germ comes from wheat seeds. The ’ germ ’ is the embryo‚ which is the part of
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The purpose of the DNA extraction lab was not only to inform students on how DNA is present in humans and all organisms‚ but to also educate them on how DNA can be extracted using common household materials. Also‚ the lab was very efficient as it introduced the students to extracting their own DNA found on their cheek cells as well as letting them take an observation on how DNA appears or how it is formed. Additionally‚ students were instructed through a very clear and simple procedure‚ which guided
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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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Tools and techniques for DNA manipulation Gene technology is the artificial manipulation of genes Gene technology’s use different techniques: TOOLS: Restriction enzyme Enzyme that are used to cut DNA at specific sequences ‘Like a pair of scissors’ One of the most important tools in genetic engineering They have the ability to cut DNA molecules at precise sequences of 4 to 8 base pairs called recognition sites A lot of bacteria are used to get restriction enzymes Bacteria use restriction
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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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In Emily Bronte’s novel‚ Wuthering Heights‚ one of the main characters‚ Heathcliff‚ makes this transition from the beginning of the story to end. At first ‚ he is sympathetically portrayed as a boy who was shoved into the Earnshaw family‚ then he becomes this innocent boy who has this never ending love for Catherine Earnshaw‚ and finally he transforms into this extremely revengeful man who will stop at nothing to try and undo all the wrong things that were done to him. Heathcliff goes from being
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Siddhartha written by Herman Hesse is a novel about a young man’s life journey on how to find and obtain “Nirvana.” He experiences many new environments and surroundings that heavily influence the path he chooses to take along his religious journey. Siddhartha goes through many different changes‚ all of them enabling him to fit in and be accepted by the cultural and physical surroundings. These changes ultimately shape him to be the person he is at the end of his life‚ the one where he is at peace
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DNA synthesis inhibitors Nucleic acid inhibitors are chemicals which inhibit the production of nucleic acids including both DNA and RNA. DNA and RNA inhibitors inhibit enzyme action in DNA replication in the same way as the topoisomerase inhibitors we discussed earlier. Topoisomerase inhibitors (1) (10) are chemicals which interfere with the enzymes that allow DNA strands to separate and to re-join‚ a process that is required for the division of bacteria and without which DNA cannot effectively
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