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Dna - Free Essay Examples and Topic Ideas

DNA, which stands for deoxyribonucleic acid, is a molecule that contains the genetic instructions for the growth, development, functioning, and reproduction of all living organisms, including humans. It consists of a long chain of nucleotides that are made up of a sugar, a phosphate group, and nitrogenous bases, which encode the genetic information. The structure of DNA is a double helix, with the two strands twisted around each other and held together by hydrogen bonds between the complementary base pairs. The sequence of nucleotides along the DNA molecule determines the sequence of amino acids in proteins, which are the building blocks of cells and tissues.

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  1. 1
    Some of the Techniques Used in the Human Genome Project
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    Introduction DNA is the key to understanding all life forms. Many techniques have been discovered throughout the years in the race to be the first research team to code the human genome. The human genome project (HGP) began in 1990. It was an international project which lasted thirteen years costing $3.8 billion dollars from the US government Bodies using Sanger sequencing. Celera Genomics a private company, launched a project using shotgun sequencing to complete the human genome. The HGP led…
    Dna
  2. 2
    Differences and Similarities Between Humans and Animals, Particularly Chimps
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    The chimpanzee is claimed to be one of our closest relatives in the animal kingdom; commonly thought to be our genetic “cousin” in genealogy and behavior. Although we have many similarities, we also have differences that are numerous and complex. The Chimpanzee’s place in the animal kingdom and specific genealogical/anatomy functions and behavior resemble and contrast with that of a human in many obvious ways.Starting with our similar and complex genealogy – it is said that chimpanzee’s and human’s DNA…
    Dna
  3. 3
    Twins: Defining Nature Versus Nurture
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    Introduction Twins leave many people pondering a variety of questions. The two different types of twins have various similarities and differences. Identical twins' similarities are be caused by a combination of genes and the environment. Researchers have been trying to distinguish the difference between the effects of nurture and nature for years now. Since then, many studies have been done to help address these debates. By understanding the medical definition of twins, various scientific twin theories, and the debates surrounding…
    DnaNature Versus Nurture
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  4. 4
    Efficiency of DNA databases as criminal investigative tools
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    DNA Fingerprinting Alec Jefferys discovered variable number tandem repeats (VNTR) in 1984. In 1985 he applied the restriction fragment length polymorphism (RFLP) technique to create a “DNA fingerprint” (Jeffreys et al., 1985). RFLP is a technique where the DNA was cut to where a specific sequence of bases occurred using restriction enzymes (Panneerchelvam et al., 2003). This gave small pieces of DNA that varied in length. This was a big innovation in forensic science as it allowed to create profiles…
    Criminal InvestigationDna
  5. 5
    Being a Marder: Are Serial Killers Born or Made
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    Pages • 19

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    The definition of globalization is people come into contact. Globalization is how people from around the world interact with each other. It is the spread of culture in ways someone may or may not even realize. People react to each other in different aspects. Society continues to shape how each other lifestyles. Some are influenced substantially by globalization while others are influenced barely. America pop culture is extremely diverse culturally. Society has made a huge distinction between what is right…
    DnaMurderSerial Killer
  6. 6
    The Nucleolus: The Factory Foreman of the Cell
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    Our lives are brimming with analogies. We often rely on them to explain complex ideas in simpler terms, making the abstract accessible and the unfamiliar relatable. When it comes to the intricate world of biology, especially cell anatomy, analogies come to the rescue, transforming complicated concepts into understandable narratives. One such complex structure is the nucleolus. And if we were to draw an analogy from the bustling world of industry, the nucleolus could be likened to the diligent factory foreman.…
    Dna
  7. 7
    An Overview of DNA Replication
    Words • 1863
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    Introduction The process of DNA (Deoxyribonucleic acid) replication plays a very imperative role in providing genetic continuity from one generation to the succeeding one. Knowledge of the structure of the DNA began in 1869, with the discovery of nucleic acids. An accurate model of the DNA molecule was presented in 1952 by Rosalind Franklin, Francis Crick and James Watson. To reproduce, a cell must copy and transmit its genetic information (DNA), to all of its progeny. To do so, the…
    Dna
  8. 8
    ability to now obtain large amounts of molecular data What are the
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    Paper Type:750 Word Essay Examples
    ability to now obtain large amounts of molecular data. What are the relative strengths and weaknesses of the various types of data that could be used? What specific data do you think should be used for defining bacterial species?There are numerous experimental methods by which a researcher can define bacterial species, broadening and "fixing" phylogenetic trees in bacterial species: some new and some old, some expensive and some cheap, some more effective than others. It has been a struggle to…
    DataDnaGene
  9. 9
    A Murder and Possible Rape Case
    Words • 901
    Pages • 4

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    Paper Type:850 Word Essay Examples
    A Murder and Possible Rape Case: Victim, young woman found in a foreclosed building. The victim was found lying on the floor, facing the ceiling, in between the couch and the dusty fireplace. There were no signs of serious injury; she had some bruising on her face and forearms, reddish colouration around her eyes (suspected to be petechiae) and some skin under her fingernails. Her top was cut neatly across the middle, which shows no sign of a struggle; the…
    AssaultBiologyChemistryDnaGeneticsMurder
  10. 10
    Exome Sequencing
    Words • 1179
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    Paper Type:1200 Word Essay Examples
    Exome sequencing, also known as whole exome sequencing (WES), is a genomic technique for sequencing the entire protein-coding region of genes in a genome (known as the exome). It consists of two steps: the first step is to select only the subset of DNA that encodes proteins. These regions are known as exons  humans have about 180,000 exons, constituting about 1% of the human genome, or approximately 30 million base pairs. The second step is to sequence the exonic DNA…
    BiologyBiomedicineDnaGeneGeneticsHealth
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  11. 11
    Microbial endophytes from fruits of Manilkara zapota
    Words • 1029
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    Paper Type:1000 Word Essay Examples
    Introduction Manilkara zapota, commonly known as sapodilla or chikoo, is a long-lived, evergreen tree native to southern Mexico, Central America and the Caribbean. It is largely grown in south east asia and mexico. Sapodilla fruit is highly nutritious fruit and is one of the staple fruit used in India. An endophyte is an embded symbiont, often a bacterium or fungus that lives within a plant for at least part of its life cycle without causing any disease. Endophytes have been…
    BiologyChemistryDnaFruit
  12. 12
    Protein Synthesis in DNA Processes
    Words • 1645
    Pages • 6

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    Paper Type:1500 Word Essay ExamplesSynthesis Essay
    Protein synthesis is the process whereby DNA encodes for the production of amino acids and proteins. It is a very complex and precise process and as proteins make up over half of the dry mass of a cell, it is a vital process to the maintenance, growth and development of the cell. Proteins are widely used in the cell for a variety of reasons and have many different roles, for example some proteins provide structural support for cells while others…
    Dna
  13. 13
    DNA Replication Transcription and Translation
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    Paper Type:1000 Word Essay Examples
    The replacement of dead cells and the repair of worn out tissues, as well as growth, are the results of cell division. Prior to division, the cell must duplicate its DNA in order to give identical DNA to its daughter cells. This process is done through DNA replication which requires transcription and translation processes. During replication, the DNA unwinds, as aided by the DNA polymerase, and generates two identical DNA molecules. In the synthesis of protein, the DNA also unwinds…
    Dna
  14. 14
    DNA Sequencing: The Genetic Code for Diagnosis
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    Paper Type:350 Word Essay Examples
    Introduction In the realm of molecular biology, the advent of DNA sequencing techniques has revolutionized our ability to identify and understand various pathogens. This essay delves into the intricacies of DNA sequencing, its applications, and how it played a crucial role in diagnosing Sue's illness. By exploring the process of DNA sequencing and its broader implications, we gain insights into its significance in the field of healthcare. The Mechanism of DNA Sequencing Scientists face the challenge of identifying specific bacteria…
    DnaHealthMeningitis
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