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This article will explain the differences between cDNA and genomic libraries and how each method is different. cDNA uses many steps to isolate a strand of DNA while genomic library depends on the size and tolerance of the cloned DNA. Although both are different they serve a purpose in storing information about their respective fragments. This will help in the long run in case researchers are stuck so that they don’t have to repeat the same process over and over again. Both types of librar...
Published by Victor Ly 87 months ago in Genetics & DNA | +0 votes | 0 comments
Whether occurring randomly or induced by mutagens, DNA mutation and recombination are at the foundation of evolution as we know it. With modern day tools Scientists have been able to determine many of the mechanisms that cause DNA mutation. In some cases these mutations can lead to serious disease or non-viable embryos.
Published by Natalie LaCorte 87 months ago in Genetics & DNA | +0 votes | 0 comments
This article is a basic introduction to proteins and their chemical structure. It focuses primarily on the most basic aspects of what proteins are made of and how everything gets arranged. It also delves into the various structures of proteins and why they are important which serves as a good gateway into more advanced topics in biology and genetics.
Published by Denis Shakhnovich 87 months ago in Genetics & DNA | +0 votes | 0 comments
The article is a basic introduction to the different types of cell division that occur by different cell cycles. The primary focus of the article is bacteria which has a controversial question revolving around it about whether or not is sexually reproduces or not. While there is no definitive answer for this, the article provides enough facts to help anyone say whether or not it's the case.
Published by Denis Shakhnovich 87 months ago in Genetics & DNA | +0 votes | 0 comments
In the entry, I discuss how X-men in the comic book world differ from mutants in the real world. The processes are explained on a cellular level, building up, in order to show how a mutant can arise. This involves discussing how DNA works in the cell, and the various types of mutations that can be caused by mistakes in DNA.
Published by Jessica Hua 87 months ago in Genetics & DNA | +0 votes | 0 comments
Ribonucleic acids (RNA) are categorized into two separate classes. The two general classes of RNA are those that encode proteins (mRNA) and those that are functional as RNA (ncRNA). Functional RNA participates in multiple cellular processes including protein synthesis (tRNA, rRNA), RNA processing (snRNA), the regulation of gene expression (miRNA), and genome defense (siRNA, piRNA).
Published by Amber Normann 87 months ago in Genetics & DNA | +0 votes | 0 comments
The polymerase chain reaction, PCR, is a scientific technique used to amplify a specific DNA sequence to produce millions of copies. Denaturing step:Samples are heated to 94– 96 degrees Celsius. The heat denatures the DNA by breaking the hydrogen bonds between the two DNA strands. Annealing step: primers form hydrogen bonds with their complementary sequences in the target DNA. Extension/elongation step:The thermo-stable DNA polymerase synthesizes a new DNA strand complementary to the DNA ...
Published by :) Biology!! :) 87 months ago in Genetics & DNA | +1 votes | 0 comments
Telomeres are located at the end of linear chromosomes. Shortening of telomeres is involved in cancer and aging. Telomerase somewhat prevents this process by elongating the telomeres. This article will discuss telomere structure and function, as well as how telomerase is involved in cancer and aging. Dysfunction of telomeres will also be discussed in their relation to premature aging, known as Werner ’s syndrome.
Published by Jaime Felix 87 months ago in Genetics & DNA | +0 votes | 0 comments
Everyone knows that Twins physically look alike, behave alike, and even have similar interests alike. Those are all stereotypes of twins, but people might not know that there are differences to them. Differences don't have to be always have to be a physical feature, they could be genetically different too.
Published by Rayhan Kabir 87 months ago in Genetics & DNA | +1 votes | 0 comments
This explains the general idea of population genetics and what is used in the field. Only two factors are explained for use to find variation in a population: single nucleotide polymorphisms and microsatellites. This only explains the significance of each factor for studying populations, nothing about how these factors are examine experimentally.
Published by Morrell Chhay 88 months ago in Genetics & DNA | +0 votes | 0 comments
A brief overview of methods of transcriptional regulation in prokaryotic cells to control protein synthesis. Discussion of clustering of genes that produce related enzymes in a biochemical pathway into operons, and control of operons by repressors and allosteric effectors such as lactose. Simple description of of promoter binding of RNA polymerase and transcript synthesis.
Published by Wai Szeto 88 months ago in Genetics & DNA | +0 votes | 0 comments
This article is about the main differences between fraternal and identical twins to give a basic understanding. It also describes the difference between the two on the genetic level and how it is an inherent advantage to be an identical twin rather than a fraternal twin when it comes to transplants and transfusions.
Published by Sean Sliakis 248 months ago in Genetics & DNA | +0 votes | 0 comments
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