DNA‚ as we all know‚ is esteemed with the title of ‘Master Molecule ’. The three letters of DNA denotes of deoxyribonucleic acid .Now the thing that we ponder on is why DNA is so important to us. Why are the researchers & scientist persistently working on DNA? Why it is so important to know the tiniest details of DNA structure and function.?The simplest answer for “Why Is DNA Important?” is that DNA is the prerequisite for life’s inception. Firstly‚ it transfers hereditary information from
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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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Extraction of DNA from an Onion Molecular biologists and biochemists are involved with research in finding out as much as possible about the DNA in plants. DNA was discovered in the 1950’s‚ there still remains a lot to be known about it‚ especially how it is used to determine the physical traits that we all have‚ and how it regulates the workings of the body. deoxyribonucleic acid is a chemical‚ we can do reactions with it just like we can work with any other chemical. Experiment: Note:
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Is Abortion Morally Acceptable? Summary: The foundation of our democracy is based upon the sacredness of human life. Hence‚ to deliberately take a life is not acceptable. Abortion‚ which indeed takes away life‚ is no exception. It’s tolerance is an attack on democracy. The topic of abortion is a highly controversial issue in today’s society‚ and various views are held concerning the morality of the procedure. Some people feel that abortion is simply cold-blooded murder‚ because it is their opinion
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addicted to alcohol‚ then they end up doing stupid stuff after getting drunk and they do not know that it is affecting their bodies negatively. The drinking age should be increased and governments should amend a law to be 21 years of age for drinking which would stop these accidents of car crashes‚ death of innocent people walking‚ driving‚ and teenage violence in B.C‚ Canada. Every week we hear about drinking and driving
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Eating allows all living things to obtain energy. Some people eat less some people eat more. But‚ Imagine not being able to control how much food a person may consume. This is called B.E.D Also known as Binge Eating Disorder. This is a disorder that causes people to eat extremely fast‚ eat beyond being full‚ eat when he/she isn’t hungry‚ and causes people to hide the quantity of food they may have eaten from others. B.E.D is a real medical condition. The cause is unknown. Many people across
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DNA STRUCTURE AND FUNCTION QUIZ Provide answers to each of the following. You may consult your text and fellow students. Each numbered item counts 2 points. 1. If one strand of a DNA double helix has the sequence GTCCAT‚ what is the sequence of the other strand? a. ACTTGC b. CUGGTU c. CAGGTA d. CAGGUA e. TGAACG 2. If a strand of DNA has the sequence AAGCTC‚ transcription will result in a(n) ______. a. single DNA strand with the sequence TTCGAG
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Section 10-1 VOCABULARY REVIEW 1. A purine is a nitrogen-containing base with two rings of carbon and nitrogen atoms. Examples may include adenine or guanine. 2. A pyrimidine is a nitrogen-containing base with one ring of carbon and nitrogen atoms. Examples may include cytosine or thymine. 3. A complementary base-pair is a pair of nitrogencontaining bases connected to each other by hydrogen bonds. Examples may include adeninethymine and cytosine-guanine. 4. one of three molecules that constitutes
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determining paternity to name a few. DNA based techniques are a sub-discipline of forensic biology and are a crucial component in this field of work. DNA analysis began in the mid 1980’s and revolutionised the field of forensic science. With continual refinement of DNA analysis methods in crime laboratories over the years‚ small amounts of blood‚ saliva‚ skin cells and other biological material can now be used to develop leads and confirm or disprove an account of the crime. DNA (deoxyribonucleic acid) is
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how it can be used. If we go back to the slide of the double stranded DNA‚ and if we take that to a high temperature‚ the two strands separate‚ you then add the primers‚ which interact with ? On the strand‚ synthesis takes place in the 5-3 direction‚ then you end up with 2 molecules identical to the DNA‚ and then you do another round‚ so it’s an exponential increase. There are different enzymes and polymerases‚ which come from bacteria and hot springs. The original polymerase is the taq polymerase
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