dna essay example

DNA - Free Essay Examples And Topic Ideas

DNA (Deoxyribonucleic acid) is the molecule that carries the genetic instructions for life. It is composed of two strands that coil around each other to form a double helix. Essays might explore the structure and function of DNA, its discovery, genetic engineering, DNA sequencing, or ethical debates surrounding genetic manipulation. We have collected a large number of free essay examples about DNA you can find in Papersowl database. You can use our samples for inspiration to write your own essay, research paper, or just to explore a new topic for yourself.

DNA and Mutations

Occurrence of mutation. Mutation is the process that produces a gene or a chromosome set different from the wild type. For instance this allows us to measure the frequency of mutation occurance.a cell caring mutation can be used as probes to disassemble the constituent parts of a biological function and to examine their workings and interrelations.For a recessive mutation to give rise to a mutant phenotype in a diploid organism both alleles must carry the mutation but one copy of […]

DNA: what is yours Worth?

Introduction The HeLa cell was discovered in 1951 from a cervical tumor taken from a cancer patient named Henrietta Lacks. These cells were important because they did not die after a few days like previous ones did because they were able to create a cell line. If one cell died, scientists used another one from the same sample. (1) These cells have led to scientific breakthroughs and new treatments and information surrounding the human body. The primary ethical question in […]

HeLa the Immortal Cell

Cells are the basic building blocks of life and make up all living organisms. There are two classifications of cells in every organism called prokaryotes and eukaryotes. A prokaryotic cell composes of single cell organisms like bacteria for example. While, a eukaryotic cell consists of multicellular organisms, the example for that is humans. The human body contains 75 trillion cells and each has its specific purpose and functions that they carry out throughout the human body. The human body is […]

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Exploring the Intricacies of Genetics through DNA

Introduction The hereditary molecule that is tasked with carrying genetic instructions that are used in all living things in development, growth, reproduction and functioning is referred to as deoxyribonucleic acid (DNA). DNA molecules consist of two strands which are bipolar and are mostly coiled near to one another to form a spiral. This strands are referred to as polynucleotides simply because they are made of small units known as nucleotides. The information of the DNA is stored in this nucleotides. […]

Mitosis and DNA Molecule

Replication is the copying of the genetic information from one DNA molecule into another DNA molecule. Mitosis and meiosis are similar in the fact that they make new cells. Mitosis replaces and repairs body cells, while meiosis makes gametes like eggs and sperm. Mitosis has an asexual reproduction, while meiosis has a sexual reproduction. These two reproductions have differences in its number of divisions, phases, chromosome numbers, etc. One difference between mitosis and meiosis would be their production of daughter […]

The History and Applications of Forensic Science

Forensic science is the application of science to law. It entails the use of these scientific processes and methods in combating crimes. There are several branches of forensic science, such as: entomology, pathology, odontology, criminalistics, psychology, geology, computing, anthropology and chemistry (Dominick et al 2009). Forensic science comes in handy during investigation of fires, trace evidence, toxicology and forensic biology among others. The society has become more reliant on the laws governing the activities of its members. It applies to […]

Role of P53 Protein in DNA Repair Mechanism

One of the most known tumor suppressors is p53 which has very low concentration because of short half-life time. Reason for this short half-life is E3 ubiquitin ligase MDM2. MDM2 is one of the genes regulated by transcription which p53 regulates. Increased p53 levels result also increased of MDM2 transcription rate, followed by this, it results the degradation of the p53 protein, forming an autoregulatory circuit in cells. There are various stress situations that can cause this such as telomere […]

Innate Immune Recognition of DNA

The cGAS is an innate immune sensor that detects double-stranded DNA. Detection of foreign DNA is an evolutionarily conserved mechanism that alerts the host immune system to mount a defense response to pathogen infections. But, there is also a challenging side for the host that how they distinguish the foreign DNA with the much abundant self genome. The presence of self or foreign DNA in the cytoplasm is sensed by eukaryotic cells as a danger signal or a sign of […]

The Role of Forensic Science in the Criminal Investigation

When it comes to investigating crime, no matter the level of severity, nothing is more valuable to a criminal investigator than the use and implementation of forensic science. The results of such forensic investigations can be the difference between acquittal and conviction in a court of law. The single best aid that forensic scientists use is DNA, which has proven to be a powerful tool in the fight against crime. DNA evidence can identify suspects, convict the guilty, and exonerate […]

Research Paper: Genetically Modified Organisms

Genetically modified organisms, otherwise referred to as GMOs, is a highly debated and researched topic throughout the world, however, highly prevalent in the United States today. It is plant, animals, or other organism in which their genetic makeup has been altered or modified by either genetic engineering or transgenic technology. GMOs are used either in the medical field or agriculturally, looking to cure diseases and create vaccines or attempt to get the healthiest or highest profit out a product. Prior […]

About the Cellular Basis of Cancer

At a cellular basis, cancer cells are not that different from normal cells. In fact, from a biological view point cancer cells originate from normal cells. The features of a cancer cell; such as migrating away from its origin point, mutating and replicating itself, evading cell death and providing itself with a supply of oxygen and nutrients, can all be found in normal healthy cells (Oppenheimer 2006; Tu 2010). However, it is what these cells then do to the surrounding […]

What is Cisplatin?

Cisplatin is a "chemotherapeutic agent" that can covalently bind with DNA using the purine base, mainly guanine, in a cross-link that leads to transcription inhibition, cell cycle arrest, and an apoptotic effect27. Cisplatin is responsible for the production of reactive oxygen species28. Absorption of cisplatin into the nuclear DNA binds two adjacent guanines in the same DNA strand, causing an inhibition of DNA synthesis and cell death29. Moreover, programmed cell death or apoptosis has been associated with several anticancer drugs, […]

Cyclic GMP-AMP Synthase

Genomic DNA can be damaged by endogenous or environmental stresses. During repair, these short single-stranded DNAs are continuously generated and may leak out to the cytoplasm, where they are generally drawn back into the nucleus by DNA repair and replication factors (RPA and Rad51). Alongside this, TREX1, a cytoplasmic exonuclease, is anchored on the outer nuclear membrane to degrade leaking DNAs immediately. This prevents activation of the cGAS/STING pathway against self DNA. Inhibition of any of the above-mentioned proteins leads […]

Potential Cancer Resistance

Cancer proliferation is characterized by uncontrolled and unregulated cell growth resulting in tumors. In theory, as the size of organism increases there are more cells developing and dividing meaning that this is an increased probability of cancer development. Although, this response is theorized this is not what actually occurs, but why this trend is observed remains poorly understood. The present study aimed to understand these mechanisms of cancer suppression in large, vertebrate mammals in hopes of gaining insight to human […]

Essays on DNA

The DNA (abbreviation for deoxyribonucleic acid) molecule has a very special place in life science, making a DNA essay a worthy study. Essays on DNA teach us how DNA stores complete information about the structure and properties of the organism. Therefore, knowledge of all the structural features of DNA is fundamentally important. DNA essays often explore the structure of DNA – a famous double helix It was discovered by Watson and Crick in 1953, which started a new era in the history of human civilization – the era of molecular biology and genetics, biotechnology, and molecular medicine. Our DNA essay samples will make you well-equipped for writing your own essay. Simply check out samples of DNA essays below.

The use of biometric identifiers in security systems is an enticing idea and has been embraced by the public following its use in banking systems where the data from iris scanners, facial recognition, and fingerprint scanners is utilized. Biometric identifier locates the user’s details from the central database, whereas the...

Words: 2211

DNA Evidence and its Application in Forensic Investigations DNA evidence is among many scientific tools that have been provided for the investigation of forensic evidence via the analysis of DNA which is a material that makes up one's genetic code. DNA can be retrieved from their hair, blood, skin cells as...

Words: 1083

CRISPR was first discovered by Ishino and coworkers at Osaka University in Japan while cloning a peculiar gene-repeat (Ishino et al. 5429-30). Nearly two decades later, a group of researchers at the food ingredient producer Danisco in Madison, United States, discovered that these CRISPR repetitions in bacteria offered defense against...

From its humble beginnings, forensic science has come a long way. For identification purposes, fingerprints have been used for a very long period. The breadth of forensic discoveries and advancements will be extended by this discipline. The tools used today to identify criminal offenders include DNA testing, impressions, and even...

Words: 1728

Recently, it has been proposed that human DNA and RNA are structurally distinct. As the scientific theory of the origin and evolution of man indicates, the structure, a double helix, of these two salts, i.e., both the RNA and the DNA, has actually been present for billions of years. Numerous...

Words: 1225

Introduction After the use of fingerprints, the use of DNA testing for forensic investigations can be considered the most important invention in the area of criminal investigations. The word "DNA" stands for deoxyribonucleic acid. DNA utilizes biological components like skin, hair, blood, and bodily fluids to identify people. A distinctive genetic...

Words: 1020

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The film Gattaca is set in the future, where DNA plays an important part in defining social class and genetic modification of people is common. Vincent, according to Brezina, Enrico, and Amelia, is born and conceived without the assistance of technology (338). Vincent is subjected to strong genetic prejudice and...

The jurors made a critical error in their evaluation of the evidence. With all of the evidence shown to the jurors, it is easy to conclude that there was no tampering with or framing of the evidence in order to frame "the kid" of the crime against his blood father....

The term "signature-tagged mutagenesis" (STM) refers to a technique that allows for the simultaneous screening of numerous different mutants. The method is accomplished by applying a special DNA sequence known as a signature tag to each of the implicated bacteria. Initially, this method was referred to as TN mutagenesis screening...

Words: 4955

An organism classified as a genetically modified organism (GMO) has had its DNA altered or transformed. Recombinant DNA is a process that includes transferring genetic material from one plant or animal to another to create these organisms. The genetic engineering method produced GMOs (Zhang, 2016). The method involves inserting the...

DNA sequence changes can result from cell mutations passed down from a parent organism to its children. Some cell mutations can be advantageous, but the majority are damaging because they result in the cell's ability to perform a specific function being lost. Bacteria naturally experience base pair mutations at a...

Introduction Media, scientists, and governmental agencies have all expressed interest in and opinions about the use of genetic engineering and biotechnology. There are no definitive solutions to the question of what lies ahead for genetically engineered creatures. Organisms that have had their genetic makeup altered by genetic engineering are referred to...

Words: 1107

Essay Samples on DNA

Dna as the carrier of genetic information about us.

Without genetics no one would be able to know the possible diseases they could get from their family. Genetics, inherited from our ancestors, prove that the past can shape our present. They can show what is inherited from parents, grandparents, and so forth. Genetics are...

The Biological Clock Theory: A Key to Understanding the Aging Process

Aging is the natural process where humans are grown and becomes older by different changes in cells, like decreasing metabolic processes, endurance, resistant forces, and so on. To know about that kinds of natural processes, scientists have investigated many illnesses, life processes like aging, and...

Quantum Mechanics: the Solution to DNA Mutation

Quantum mechanics is a dimension of science that describes the behavior of energy, waves, subatomic particles mathematically. It was founded by a group of scientists in the 1920’s to uncover more about the physical properties of nature. One of the founders, Erwin Schrödinger, published a...

Quantum Mechanics

Chromosomal Alterations and Male Infertility

Infertility is one of the most common disorders seen in medical practice worldwide. It is defined as the inability of a couple to conceive after 1 year of unprotected sexual intercourse. The number of infertile couples in the general population is increasing and the recent...

Infertility

The Benefits of CRISPR Technology: Enhancement of the Human Body

Technology has advanced so far in today’s world that scientists have developed a technique known as Clustered Regularly Interspaced Short Palindromic Repeats or CRISPR. CRISPR has been around since 1987 when it was discovered by a Japanese scientist named Yoshizumi Ishino at Osaka University. It...

Bicentennial Man
Genetic Modification

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Viruses and Genetic Occurences Specific to Koalas

In the article, “A Virus in Koala DNA Shows Evolution in Action”, the author is discussing the major discoveries that scientists have made on the different types of diseases and genetic occurrences that koalas are troubled by as well as how they can alter the...

Intentional Tanning and Its Impact on Skin Cancer

Introduction Tanning outside or inside can have perilous outcomes. While regularly connected with great wellbeing, the 'sparkle' of a tan is the extremely inverse of sound; its proof of DNA damage to your skin. Tanning harms your skin cells and accelerates unmistakable indications of maturing....

Skin Cancer

The Purpose of Mitosis and the Cell Cycle in DNA

Have you ever wondered how a kitten could turn into a full adult cat? If so, you are more than likely familiar with the impression of a life cycle. Cats go through some similar life cycle transition as we do. We watch something that looks...

Forensic DNA Analysis: Strengths and Limitations

Mitochondrial DNA (mtDNA) analysis is becoming more common in criminal investigations to characterize forensic biological specimen. This paper will examine mtDNA analysis in the forensic field, the expertise and training required and its strengths and limitations. The strengths of mtDNA analysis are the following: mtDNA...

Criminal Investigation
Forensic Science

Epigenetic Inheritance Mediated By Coupling Of RNAi And Histone H3K9 Methylation

RNAs can trigger a multigenerational epigenetic memory in the Germline of C. elegansIn this paper, the main question is the mechanism of the inheritance of epigenetic information of C. elegans for multiple generations through RNAi and chromatin modifications by piRNA. C. elegans was used as...

The History Of Cloning & My Attitude To Human Cloning

Human cloning will happen but at a price. Variation will get lower because we are making replicas of the humans. This might sound crazy but I think there's a chance that high power countries using cloning to make armies of soldier like movies. By using...

Designer Babies: A Technological Step Forward, Not To Be Prohibited

Designer babies are as normal babies but modified by altering their DNA Genetically. Genetic engineering ID is already possible Scientists are already using it in many waysand proceduresaround the world, editing DNA has already become possible, the opponent team may argue that it hasn’t been...

Bioengineering
Genetic Engineering

Genome Editing: Overview Of CRISPR System

Microorganism have invented various strategies to allow them to survive exposure to foreign DNA. This is an adaptive system prokaryote’s have adopted and based on a region of DNA called Clustered Regularly Interspaced Short Palindromic Repeats (or CRISPR). CRISPR is a system used by Bacteria...

Transposones' Action And Antibiotic Resistance: Gene Inactivation

Transposone is a DNA sequence which has transposition ability. It doesn’t need a homologues site in the target chromosome for the integration and have a cut and paste mechanism. It means tranposones move or jump one location to another location of a genome by themselves....

Antibiotics

A Discussion on the Positive Elements of Genetically Modifying Children

Humans have been around for about seven million years and have continued to evolve into what scientists refer to as the homo sapien (Drake 2015). Genetics have continuously established a way to adapt to the environment, overcome disease, and create fertile offspring. As research becomes...

Huntington's Disease

An Examination of the Impact of Flour on Health

Guthrie surfaces many actualities of Grain in this article. Many revelations arise out of this article, amongst these is the fact that grain has the same effects as sugar. This can cause many issues with high consumption such as inflammation and blood-sugar imbalances. Flour is...

The Basis of Scientific Facts Throughout History

Neglecting the latest scientific facts so you can be intact with your morals, is a mistake that has and still is constantly done by many people. Many religious believers have a mentality that if you believe in science you automatically don’t believe in God. Although...

The Selectiveness of Eugenics and the Possibility of Designer Babies

Eugenics: “Designer Babies” Eugenics is, basically, a set of beliefs and/or practices that focus on improving the genetic make-up of the human population. This, of course, is directly tied to the idea of “designer babies.” Eugenics allows us to know certain things about our unborn...

The Etymology of the Theory of Eugenics

Eugenics is the science which deals with all influences that improve the inborn qualities of a race; also with those that develop them to the utmost advantage The word eugenics was derived from a Greek root meaning good in birth or noble heredity. Darwins Origin...

The Biblical Perspective of the Human Genome Project

GENOME PROJECT Adam and Eve were doomed for trying to be like god, this is the same damnation mankind is headed to. Everyones dream is to have absolute power and control of everything. The genome project and DNA engineering gives man the ability to create...

Human Genome Project

Identifying Movement of DNA Proteins in Gel Electrophoresis Through Experimentation

Materials and Methods Preparation of Spinach Homogenate The experiment began by creating a homogenate from spinach leaves. This portion of the experiment was conducted by chopping 8g of spinach leaves as finely as possible. The leaves were then transferred to a cold mortar containing 12mL...

A Study on Molecular Biology: Investigating DNA and Diverse Protein Types

Molecular Biology is the study of cellular biology on a molecular level which is where DNA molecules are, which is what give people their heredity. DNA, or Deoxyribonucleic acid, has two strands that is called the double helix. Each strand is a sugar phosphate back...

Challenges Of CRISPR-Cas Gene-Editing Tool

As there are ten-times the number of phages compared to bacteria, there is constant selective pressure on bacterium to develop a formidable arsenal of mechanisms to resist infection. These mechanisms in-turn exert selective pressure on the phages, forcing them to counter-evolve new ways to fight...

Microbiology

Synthesizing 9-Benzyl-3-(Di(1H-Indol-3-Yl)Methyl)-9H-Carbazole

Introduction Cancer is one of the leading cause of death globally. The World Health Organization (WHO) stated, over the next 20 years, the numbers of new cancer cases are likely to continue increase by around 70%. Chemotherapy is one of the most popular method used...

Current Researches And Development In The Area Of Epigenetics

Epigenetics Epigenetics is a developing field of study involving an emphasis on how gene expression can be modified based on responses from DNA. These changes are inherited; however, this is not due to a modification in the actual gene sequence. This multifaceted area of study...

Overview Of The Interleukin-1 Beta (IL-1 Beta) Protein And Its life cycle

Introduction This review illustrates the life cycle of the interleukin-1 beta (IL-1 beta) protein. IL-1 beta is a proinflammatory cytokine that plays an important role in immune response. Immune system is the body’s response to the pathological change or the antigen. It can be divided...

Immune System

Historical Importance Of Ribonucleic Acids (RNA) Analysis In A Cell

In the cell, RNA is derived from the transcriptional product of deoxyribonucleic acids (DNA) and is further assisted through translation to create a protein. RNA applications include RT-PCR, cDNA synthesis, and northern blotting. RNA Extraction A great deal of evidence has suggested that deoxyribonucleic acid...

The Extent Genes Affect Behavior In Turner Syndrome

Introduction Genetics as a phenomenon was discovered in the late 19th century. This can be considered as quite a late discovery in comparison to other medical advancements such as general anesthesia which can be seen throughout recorded history in each culture. Genetic conditions like the...

How An Extraction Mixture Can Separate The DNA From Two Different Types Of Fruits?

Science Inquiry Planning Using the Scientific Method Introduction A demonstration that exhibite how an extraction mixture can separate the DNA from two different types of fruits with distinctive amounts of chromosomes. How to extract DNA from a living organism as well as the understanding of...

A Separation

Best topics on DNA

1. DNA as the Carrier of Genetic Information About Us

2. The Biological Clock Theory: A Key to Understanding the Aging Process

3. Quantum Mechanics: the Solution to DNA Mutation

4. Chromosomal Alterations and Male Infertility

5. The Benefits of CRISPR Technology: Enhancement of the Human Body

6. Viruses and Genetic Occurences Specific to Koalas

7. Intentional Tanning and Its Impact on Skin Cancer

8. The Purpose of Mitosis and the Cell Cycle in DNA

9. Forensic DNA Analysis: Strengths and Limitations

10. Epigenetic Inheritance Mediated By Coupling Of RNAi And Histone H3K9 Methylation

11. The History Of Cloning & My Attitude To Human Cloning

12. Designer Babies: A Technological Step Forward, Not To Be Prohibited

13. Genome Editing: Overview Of CRISPR System

14. Transposones’ Action And Antibiotic Resistance: Gene Inactivation

15. A Discussion on the Positive Elements of Genetically Modifying Children

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Green Chemistry
Scientific Method
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Home / Essay Samples / Science / Genetics / Dna

DNA Essay Examples

Dna damage checkpoints.

In response to diverse genotoxic stresses, cells activate DNA damage checkpoint pathways to guard genomic integrity and promote the survival of the organism. Counting on DNA lesions and context, damaged cells with alarmed checkpoints are often eliminated by apoptosis or silenced by cellular senescence or can survive and resume...

Critique on Monoamine Oxidase-a (maoa) Genotype

Although, the evidence behind the MAOA genotype is vast there are a number of critiques and limitations which appear in studies that need to be addressed. It is important to note that although there is an extensive amount of studies which do agree that there...

Y- Chromosome Markers Applications in Sexual Assault Cases

In mammals generally, the Y- chromosome is inherited via the sperm cell and because it is peculiar to the male sex, it is known as the sex determining part of the sex chromosomes (Peter, 2012). Establishing the sex of the obtained biological material from a...

The Role of Law in Regulating Genomics

From the inception of the mapping of the human genome in 1986, science and technological advancement has triggered a rapid growth in the level of understanding and use of gene codes of living organisms; in plants, animals and humans. This degree of growing knowledge has...

Summary of an Article About DNA Science

It’s not as easy as you may think to revive extinct species, such as the whole idea from which Jurassic Park stem from. DNA degrades over time therefore no actual dinosaur DNA has been found in fossils or from other sources. A more practical approach...

To Clone Or not to Clone: the Ethics of Human Cloning

Human cloning and the ethics behind it have been an issue that has come up over the years, especially with the advancement in science and technology. The people speaking for both sides of the issue have many reasons to clone or not to clone. I...

Genes that May Have the Effect on Violent and Aggressive Behaviours

The field of genetics is vast and has grown tenfold in the last quarter century. Understanding the genome and sequence of DNA has provided a great success in finding and fighting virus’, cancer research, stem cell research and providing outstanding comparative analysis in forensics. In...

Human DNA Profiling: to Evaluate Different Techniques for a Dna-sample to Obtain Dna-profile for a Mock-sex-assault

DNA analysis is highly important in the field of forensic science. Forensic scientists/ researchers/ investigators can compare DNA profiles of biological evidence samples with a data bank of DNA or to the control sample to assist the police in detecting suspects. The amount of DNA,...

The Use of DNA Evidences in the Court

DNA v. s The Court Blood. Hair. Skin cells. All these things are apart of you, DNA tracks you everywhere you go no matter how far, so it should be allowed to track you if you did a crime right? Let’s say you travel to...

Technology Within Forensic Genetic Science

How can a single skin cell help resolve 3 criminal cases from over 50 years prior? With today's technology rapidly changing, crimes are increasing and criminals are getting increasingly clever; but even the littlest bit of DNA left at a crime scene can now be...

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