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This article explains the importance of the isolation of Taq polymerase and how it affected the polymerase chain reaction (PCR) procedure. Readers will learn the importance of Taq polymerase and how it transformed the PCR method. Readers will also learn the three important of steps of PCR and why PCR is useful in genetics and science today.
Published by Bouapanh Lor 73 months ago in Genetics & DNA | +0 votes | 0 comments
In the early 1980Â’s there was much debate occurring between scientists on which macromolecule in the cells carried genetic information. Many scientists during that day argued that proteins were the place where genetic information was stored and not DNA, merely because DNA was too simple; it had only 4 bases, while proteins had 20 different structures. However, through three very famous experiments, this theory was proven wrong and the debate was settled, and DNA was confirmed to be the gen...
Published by Juliane Liberto 73 months ago in Genetics & DNA | +0 votes | 0 comments
Within genetics, it is required to know how to crack the genetic code, or in other words, determining the amino acid sequence by going through the steps of DNA to mRNA [transcription] and then tRNA to proteins [translation]. Here is an easy step by step process of learning how to fill in the table to determine the sequences, allowing for the determination of the amino acids in the proteins.
Published by Kristen Hall 73 months ago in Genetics & DNA | +0 votes | 0 comments
The polymerase chain reaction (PCR) is used in a technique used in the laboratory to amplify a specific type of DNA sequence. This method is extremely efficient because it has the ability to make millions and billions of copies of specific sequences of DNA. DNA is essential for life is what contains our entire information.
Published by Renato Bravo 73 months ago in Genetics & DNA | +0 votes | 0 comments
This article is on telomeres, the repetitive regions of nucleotide sequences, at the ends of chromosomes. It will discuss a recent topic that Dr. Richard Cawthon research, when he hypothesized the people with longer telomeres live longer than people with smaller telomeres. What his research found was very interesting and is discussed in the article.
Published by Ravikesh Kumar 73 months ago in Genetics & DNA | +0 votes | 0 comments
The discovery that DNA was the genetic material that contained the hereditary elements known as genes occurred in the early twentieth century. By the 1920Â’s it was known that the genetic material was present on chromosomes, but the chromosomes contained both DNA and proteins. This led to a debate over whether DNA or proteins were the principle genetic material. Several important historical experiments were able to definitively show that DNA was indeed the genetic material.
Published by whitney thorpe 73 months ago in Genetics & DNA | +1 votes | 1 comments
The articles explains the major differences between eukaryotes and prokaryotes. The article explains the enzymes and the amino acids that is used in prokaryotes and eukaryotes. The article will explain trancription in eukaryotes and prokaryotes and how they differ. This article also talks about the different trancriptional factors.
Published by C Williams 73 months ago in Genetics & DNA | +0 votes | 0 comments
In this article, I discuss the advantageous techniques of polymerase chain reaction and its contribution to science. This technique is used for a variety of reasons ranging from paternity tests to predisposition of diseases. The future of biology and genetics will be highly dependent on this technique. With this article I will briefly discuss how PCR works and the importance of it.
Published by Joshua Kan 73 months ago in Genetics & DNA | +0 votes | 0 comments
The article presents an overview of both the Tryptophan operon and the Lac operon and how they regulate gene expression in prokaryotic cells. In addition, the process of how both operons work including their components, such as the repressor and activator, is explained to help readers understand their role in gene expression regulation.
Published by Linh Doan 73 months ago in Genetics & DNA | +0 votes | 0 comments
The topic of this paper is the process of determining the correct model of DNA replication. The different experiments that were conducted are explained in detail such as how scientists used Nitrogen isotopes to label heavy and light DNA. It also talks about the different models that were suggested for DNA replication and how each was ruled out as the experiment proceeded.
Published by Herlinda Jimenez 73 months ago in Genetics & DNA | +0 votes | 0 comments
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