The DNA Replication Process

The nature of base pairing meant that if the two strands of a DNA molecule were separated, they could each serve as a template for the creation of a complementary strand by bringing in individual nucleotides to base pair with their complementary base on the template, and joining the new nucleotides together. Thus, each DNA molecule after replication would consist of one of the original strands plus one newly synthesized strand. This model of DNA replication is called semiconservative. Semiconservative was not the only model of DNA replication, however.

The report also states that the DNA molecule has a unique ability to pair with other DNA molecules through specific nucleotide base pairing. The report also describes ways in which this unique ability of DNA makes it an important construction material as well as outlining techniques of constructing DNA knots, polyhedrals and catenanes. Finally, this article outlines the ideas and techniques of supra-molecular knot formation described in the article, “Metallo-supra-molecular self-assembly of a universal 3-ravel”, by Feng et. al, (2011). The report uses the twenty-component Fe8L12 supra-molecule to describe the techniques of branched knot formation through metallo-supra-molecular assembly.

Deoxyribonucleic acid (DNA) is a molecule, a material rather, that is present in almost all living organisms. It is self-replicating and is the main constituent of chromosomes. DNA contains genetic/hereditary information. The transmission of traits from one generation to the next is called inheritance. Genetics helps determine the role of DNA in the inheritance of genetic traits.

DNA is the molecular instructions of life. It makes anything living common because all living organisms have DNA. DNA come together and form chromosomes after a while. When the cell goes through cell division, the DNA is copied and passed onto the new cell. The DNA structure is very unique.

The Process of Replication in a DNA Molecule Replication is the process of when a double-stranded DNA molecule is copied to produce two identical DNA molecules. DNA replication is one of the most basic processes that occurs within a cell. Each time a cell divides, the two resulting daughter cells must contain exactly the same DNA as the parent cell. To accomplish this, each strand of existing DNA acts as a template for replication. How is DNA replicated?

Advantage : PCR produces a billions of copies of a specific DNA sequence, which allows detection and identification of gene sequences using visual techniques based on size and charge. through out PCR technology can applied on study gene , diagnosis of genetic and infectious diseases Forensic applications. [3] Limitation : The specificity to produce new DNA strands and yelled may be altered by nonspecific binding of the primers to other similar sequences on the template DNA or by sample contamination. [3] 5. Describe and explain what the following types of PCR are: ● DOP-PCR is new method used to amplify sufficient amounts of DNA from small amounts of

1. Molecular Biology The working of every cell depends on the accuracy of DNA Replication, Transcription and Translation. The three processes occur sequentially to facilitate the flow of genetic information and control the traits of an organism. First, DNA Replication takes place. The double helix DNA splits into two strands, and each separated strand acts as a new strand of DNA with its own complete genome.

Currently, genetic engineering can be used on crops, human proteins, and plants, raising the question, “Will the human manipulation of DNA provide significant benefits to today’s society?” Humans manipulate DNA either through a procedure called gene cloning, or a technique known as transgenesis. Transgenesis involves incorporating foreign DNA into organisms. DNA is a long double helix molecule, found in essentially all living organisms. DNA consists of nucleotide subunits, and can

Question #101: Genetic coding, expression, transcription and translation Genes are past down from generation to generation and provide genetic coding for each individual and organism. They contain instructions for building proteins (Freeman). DNA and RNA are involved in the genetic up keep of the hereditary information. The hereditary information is then expressed by involving two kinds of products, which include transcription and translation of the genetic coding of DNA or RNA. DNA and RNA are the genetic information that organisms with hold.

DNA Deoxyribonucleic acid and ribonucleic acid are two chemical substances involved in transmitting genetic information from parent to offspring. It was known early into the 20th century that chromosomes, the genetic material of cells, contained DNA. In 1944, Oswald T. Avery, Colin M. MacLeod, and Maclyn McCarty concluded that DNA was the basic genetic component of chromosomes. Later, RNA would be proven to regulate protein synthesis. (Miller, 139) DNA is the genetic material found in most viruses and in all cellular organisms.