This website uses cookies to ensure you have the best experience. Learn more

Dna The Thread Of Life

693 words - 3 pages

The 'thread of life', is deoxyribonucleic acid, otherwise known as DNA. It is the spiral shaped molecule found in the nucleus of cells. Scientists have known since 1952 that DNA is the basic substance of heredity. This was hypothesized, and later confirmed by James D. Watson and Francis Crick. They also know that it acts like a biological computer program over 3 billion bits long that 'spells' out instructions for making the basic building blocks of life.DNA carries the bodies genetic code, controls the development of an embryo, is capable of duplicating itself, and is able to repair damage to itself. DNA can be manipulated to change all kinds of things.All DNA molecules consist of a linked series of unites called nucleotides. Each DNA nucleotide is composed of 3 subunits: a 5 carbon sugar called deoxyribose, a phosphate group that is joined to one end of the sugar molecule, and one of several different nitrogenous bases linked to the opposite end of the deoxyribose. There are 4 nitrogen bases called adenine, guanine, thymine, and cytosine. In DNA adenine pairs with thymine and guanine with cytosine.Medicine's ability to diagnose continues to exceed its ability to treat or cure. For example, Huntington's Chorea is an inherited disease that develops between the ages of 30 and 45, can be diagnosed before any symptoms appear. This can be hard for both the individuals with the disease and their family.There is a 3 billion dollar project underway right now called the Human Genome Project, a 15 year program to make a detailed map of every single gene in human DNA. With automated cloning equipment to steer scientists through the DNA, scientists are finding human genes at the rate of more than one a day. This may not sound like very much but as technology increases the rate at finding them will increase. Since January 1993 to January 1994 scientists have located the genes for Huntington's disease, Lou Gehrig's disease, and the 'bubble-boy' disease. Scientists are expected to find the...

Find Another Essay On DNA - The Thread of Life

Solving the Structure of DNA Essay

945 words - 4 pages The Double Helix by James Watson is his personal reflection on discovering the structure of the DNA molecule. With contributions of other scientists, James Watson and Francis Crick were able to solve the structure of DNA. Through contributions and integral relationships of Watson and Crick to Maurice Wilkins, Rosalind Franklin, Linus Pauling, and other smaller contributors the DNA structure was finally solved. The first and primary contribution

DNA Microarray Technology. Basics of the DNA chips. Applications of DNA chips

1508 words - 6 pages DNA MICROARRAY TECHNOLOGYOne of the most exciting nucleic acid analysis techniques is microarrays or DNA chips. They provide a radically different approach to large-scale analysis and qualification of genes and gene expression patterns. A microarray consist of an ordered arrangement of hundreds or thousands of DNA sequences such as oligonucleotides or cDNAs deposited onto a solid surface approximately 1,2 x 1,2 cm. The microarray technique is

"Life Story", which is an essay about the race to find the structure and function of the DNA macromolecule

2428 words - 10 pages The hunt for where life comes from and what life consists of involved many different personalities, places, and events that came together to reveal an answer that had particularly become of interest in the years preceding the discovery, as much of the world tried to move away from death and closer to life. In 1953, James Watson and Francis Crick presented the structure and function of the nucleic acid DNA, the macromolecule found in living

Discovery of the Structure of DNA

2524 words - 10 pages Discovery of the Structure of DNA On the last day of February in 1953, according to James Watson, Francis Crick announced to the patrons of the Eagle Pub in Cambridge, “We have discovered the secret of life” (Watson 115, 1980). As Brian Hayes, the author of “The Invention of the Genetic Code” states, “If life ever had a secret, the double helix of DNA was surely it” (1). However, it was not the work of these two men alone that led to the

The Fallibility of Partial DNA in Courts

1983 words - 8 pages wrongful convictions. In the first case, Wayne Butler was falsely accused of murder. Professor Barry Boettcher said, “I can’t say Wayne Butler is innocent. All I can say is that the laboratory results are wrong” (Douty). These labeling errors may seem like small mistakes in the laboratory, but when it concerns someone’s life behind bars it becomes very important. In a statement about interpretation of DNA test results, Professor Boettcher said, “… the

The Collection and Retention of DNA

2170 words - 9 pages national minority, property, birth or other status.” (HR-Net Resources, 2012) Court’s Ruling The court held that the retention of Mr. S. and Mr. Marper’s DNA samples was a violation of Article 8 of the European convention on Human rights. This was the right to “respect for private and family life.” The court made a distinct differentiation that while DNA information… “does pursue the legitimate purpose of the detection and prevention of crime

The Debated Applications of Recombinant DNA Technology

769 words - 4 pages more useful than in their natural state,” thus benefiting society by meeting human needs or demands to improve our quality life. Although the use of living systems to make a product has an established history, the modern definition of biotechnology is usually associated with recombinant DNA technology. The idea of recombinant DNA was first proposed by Peter Lobban but the founding principles were published in 1973 by Stanly Cohen and Hebert Boyer

The Use of DNA in Forensics

1257 words - 5 pages The Use of DNA in Forensics DNA (noun) [deoxyribonucleic acid] first appeared 1944 : any of various nucleic acids that are usually the molecular basis of heredity, are localized especially in cell nuclei, and are constructed of a double helix held together by hydrogen bonds between purine and pyrimidine bases which project inward from two chains containing alternate links of deoxyribose and phosphate. What is forensics? fo*ren*sic [1

The pros and cons of DNA profiling

875 words - 4 pages Does DNA profiling in its current state offer foolproof identification? What needs to be in place for it to be error-free? Should all incarcerated criminals be forced to give samples? Should convicted juveniles? Should the general public be required to give a DNA sample? The pros of DNA profiling are that it can be used to quickly eliminate a suspect, saving time in searches for perpetrators. And it can provide compelling evidence to support a

Chemistry and the Structure of DNA

690 words - 3 pages Genetics relies on chemistry to explain phenomena related to the field. The structure of DNA relies on chemistry. In fact, when James Watson and Francis Crick discovered the structure of DNA, they did so by building models based on the laws of chemistry. Chemistry also relates heavily to the structure and function of one of the main products of DNA: protein. Chemistry dictates the structure of DNA. DNA is a polymer of monomers called nucleic

The Role of DNA in Cloning

833 words - 3 pages Have you ever thought that science can advance rapidly to a great extent? Nowadays scientists are trying to make the same exact copy of your DNA. Can you imagine having a clone of yourself, your parents, or even your siblings? Have you ever wished for someone to take your place for a minute, an hour, or a day? This may come true one day. According to the Online Dictionary; a clone is defined as “a cell, cell product, or organism that is

Similar Essays

Dna: Unlocking The Secrets Of Life

891 words - 4 pages April 25, 1953 was a momentous day for science. James Watson and Francis Crick had finally uncovered the structure of DNA, the molecule behind all forms of life on Earth, and their results were published in the journal 'Nature'. This discovery was probably the single most important discovery of the 20th century.Almost everyone has heard of DNA, but still very few people can tell you what DNA really is. DNA is an abbreviation for the term

The Dna Of Relationships Essay

849 words - 4 pages The book, The DNA of Relationships, by Dr. Gary Smalley was a great, interesting book to read. Moreover than to improve my marriage relationship, I learned of what the actions to endanger all my relationships and taking the responsibility to have safe, full of heart steps to face the dangers. Overall, The DNA of Relationships was a powerful book to read to learn face the dangers of all the relationships and taking the steps to make sure that

Dna: The Basis For Sustaining Life

1639 words - 7 pages History of DNA Have you ever asked yourself “why my eyes are this color?“ Have you questioned why you look the way you do? All of your physical features come from our genetics. Those genetics are family traits that are passed down through our individual bloodline. All of these individualities come from what is considered the fundamental building blocks of life, DNA. DeoxyriboNucleic Acid is the scientific name for DNA (SITE). A Swiss

The Applications Of Dna Typing Essay

2122 words - 9 pages DNA Typing has become more present in the world with the creation of new technology, allowing justice to be served in courtrooms, helping to identify bodies after major devastating events have occurred, and also in processes that the average human does not pay much attention to such as the production of biofuels. The process of DNA Typing is not easy considering the fact one must first go through the multi-step process of DNA extraction. Along