DNA

Today, DNA profiling is well used all over the world. DNA profiling was developed by the geneticist of the Leicester University in 1985. DNA profiling is the process where a specific DNA pattern, called a profile, is obtained from a person or sample of bodily tissue (“DNA profiling Biotech Learning Hub”). By learning DNA profiling, it enable us to identify individuals. It is really common to use DNA profiling now and a lot of people starts to use the technology. While supporters of using DNA…

Prokaryote DNA replication is a semi conservative, bidirectional, template driven process. The phrase ‘semi-conservative’ refers to the fact that the newly synthesised double stranded DNA is made up of one parental (existing) strand, and one newly synthesised strand. The parental duplex is not ‘conserved’ as an entity. This was proved by the Meselson-Stahl experiment by replicating E.Coli in different mediums of of different Nitrogen isotopes. The results consisted of half of normal weight and…

The Use of DNA Testing Problems are a part of everyday life; some are just bigger than others. Problems within the judicial system are very important issues to be covered. There is a reason that this is a problem and many proposed solutions. DNA testing needs to be used in the judicial system to help eliminate wrongfully convicted citizens. DNA evidence is not used enough in trials. This is a problem because states have the technology and resources available to them and still conviction…

DNA, it makes everyone special and unique. Throughout time, scientists have discovered many things about DNA. One such discovery the pairing of adenine-thymine and guanine-cytosine, but what about the structure? Watson and Crick are acknowledged the most for discovering and contributing the most to the structure of DNA in eighteen months; but what about Franklin? Though Watson and Crick are known for discovering DNA’s structure, Rosalind Franklin contributed the most to finding the structure of…

Garland Science, 2014. Print. 12 Oct. 2016. Goodsell, D.s. "DNA Polymerase." RCSB Protein Data Bank RCSB PDB (2000): n. pag. Web. 12 Oct. 2016. Joyce, Catherine M., and Thomas A. Steitz. "Function and Structure Relationships in DNA Polymerases." Annual Review of Biochemistry 63.1 (1994): 777-822. Web. 23 Oct. 2016. Lewin, Benjamin. Cells. Sudbury, MA: Jones and Bartlett, 2007. Web. 23 Oct. 2016. Loeb, Lawrence A., and Raymond J. Monnat. "DNA Polymerases and Human Disease." Nature Reviews…

PURPOSE The purpose of this lab was to isolate DNA from a strawberry. METHODS We used a variety of materials to extract the DNA from the strawberry. These include a disposable cup, a rubber band, a plastic knife, a zipper bag, a pipet, a coffee filter, ethanol, a lysis buffer, a test tube, an inoculating loop, and a strawberry. The general objects that we used for convenience and safety include a lab coat, a tray to cut the strawberry, and lots of paper towels. The…

Rediscovering DNA In the 1950’s the race to discover the structure of DNA was on. Many scientists of all backgrounds were attempting to be the first to unlock the key of life, the structure of the molecule that codes for all of our genes. Because of this race, people were protective and extremely competitive in their research. The final winners of this race to discovery were know at the time to be James Watson and Francis Crick. While their methods of discovery may not have been clean cut, they…

The main purpose of the original experiment was not accomplished. During this experiment due to the lack of DNA needed to prepare the 19 solutions with different concentrations over six orders of magnitude and also the BPES buffer, the different absorptions could not be measured and no calculations were possible. As a consequence, the binding constant of Ethidium Bromide to DNA using absorption spectroscopy was impossible to measure since no data was available. Instead, the whole experiment was…

Q: What is a DNA Analyst? What do they do? A: A DNA Analyst is someone who is responsible to find the biological information on someone, usually in the sake of a crime scene. The work is crucial, but is used for good like in solving a case. Q: What is expected as a typical job day of a DNA Analyst? A: The typical day consists of running multiple labs specialized in DNA tests, including DNA purification, PCR amplification, and fluorescent DNA analysis. These results can be used in the…

1. A. Recombinant DNA Technology Recombinant DNA is DNA that has been artificially created. It involves taking one piece of DNA and combining it with another piece of DNA. By combining two or more strands of DNA, scientists form a new strand of DNA. Gene Transfer using Plasmids • In order to transfer one strand of DNA from one species to another, a host cell is needed. E. coli is often used as a host cell for gene transfer because it not only has circular DNA, but also a smaller…