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Viruses Essays

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Introduction Viruses are considered as extremely successful predators as they can replicate and control the host cell synthesizing machinery. Viruses have coevolved with their hosts and thus have limited pathogenicity in any immunocompromised natural host. Viruses can exist in two forms: Extra cellular virion particles Intracellular genomes. Virions are more resistant to physical stress than genomes but are susceptible to humoral immune control. Nevertheless, to exist as a species, virus replication and transfer to a new host are essential. Virus...
4 Pages 2031 Words
In my opinion I don’t necessarily believe viruses are alive because of the fact that viruses can't reproduce on there own, they need a cell to reproduce. If you had a looser definition of alive then maybe they can be considered alive. I also beileve there not alive because according to the seven characteristics of life for something to be considered alive it has to be able to grow over time, respond to stimuli, metabolize energy, produce offspring, maintain a...
1 Page 502 Words
The corona viruses (2019 -ncov) infecting humans appeared in Wuhan, China, at the end of December 2019. Since the identification of the outbreak the infection quickly spread. This illness is a type of decease that transmits between animals and humans. Based on the articles that I read the infections of human to human transmission remains unclear. In contrast, human to animal transmission can occur based on the evidence provided from natural and experimental settings. The corona virus could be started...
3 Pages 1470 Words
Viruses are the most common biological agents in the sea typically numbering 10 billion per litre. They mostly infect all organism, can undergo rapid decay and replenishment and influence many biogeochemical and ecological process including nutrient cycling, system respiration, and particle size distribution and sinking rates, bacterial and algal biodiversity and species distribution, algal bloom control, dimethyl sulphide formation and genetic transfer (Fuhrman, 1999). Although there was persuasive evidence in the late 1970's that viruses are abundant in the sea...
1 Page 548 Words
Viruses are the smallest microorganisms in life and cannot be seen by naked eyes or with light microscopy. They are considered as a contagious agent that is only regenerated within the host cells of other living organizations and can infect all living organisms in the earth, from animals and plants to microorganisms, including bacteria and the archaea. Viruses can be identified only through their biological behavior, such as the disease they cause. Viruses are a particular classification; they are not...
1 Page 430 Words
The qualifications all biotic beings meet are not met by viruses on the grounds that there is a lot that a virus is unable to do. A virion cannot maintain homeostasis, or regulate its internal processes because it does not have the anatomy to do so, simply because a virus is not made up of cells. A virion is, fundamentally, genetic material trapped in a protein casing. It cannot grow because when it is duplicated in a cell it is...
1 Page 429 Words
Viral respiratory infections can cause many different illnesses related to the respiratory tract. These diseases may range from mild infections to more severe ones that can even lead to death. The most common respiratory disease is known as a cold, which is a mild infection that affects the upper respiratory tract and it is harmless in most cases. Common colds can be caused by many different types of viruses, the most frequent ones being rhinoviruses. Viral pneumonia, in the other...
5 Pages 2076 Words
Bacteria - these are single cell microorganism that come in many shapes and forms these can be ball, rod or spiral shaped. most bacteria's are not harmful and some can be helpful less than 1 percent of these are infectious which can multiply in the body leading to disease. They can produce toxins that can make someone very ill. bacteria can be spread by coughing, sneezing, surfaces and skin contact, bodily fluids e.g. blood and saliva or even sexual intercourse....
1 Page 438 Words
INTRODUCTION Influenza viruses are a virus that infects the respiratory tract of mammals and usually can cause fever, muscle pain, severe headache, sore throat, fatigue, coughing, and weakness. It is the Orthomyxoviridae family of enveloped viruses and a significant cause of respiratory infections worldwide (Bahadoran et al., 2016). It can be transmitted through the air by coughing or sneezing and also from infected birds through their droppings. Other transmissions are through saliva, nasal secretions, faeces, and blood of infected animals....
3 Pages 1533 Words
Viruses a foe which has affected the past and has now turned modern-day living into an almost apocalyptic like state due to the appearance of Covid-19. Along with being one of the most heavily studied areas within science, although a conclusive answer on whether viruses can be considered apart of the living or nonliving is still being debated. The virus does challenge the concept of what is considering living as a whole, due to the fact that it is considered...
2 Pages 759 Words
Though many people may believe that there are other major factors that are a threat to mankind and viruses are not even a major issue, they actually are. I totally agree that they are one of the biggest threats to mankind as they can be extremely harmful based on the type and they are the cause for hundreds of deaths nowadays. The following are worldwide statistics on this issue. “Worldwide, these annual epidemics are estimated to result in about 3...
1 Page 568 Words
Infections are minute creatures that exist wherever on earth. They can contaminate creatures, plants, organisms, and even microscopic organisms. Here and there an infection can cause an illness so savage that it is lethal. Other viral contaminations trigger no discernible response. An infection may likewise have one impact on one kind of creature, yet an alternate impact on another. This clarifies how an infection that influences a feline may not influence a canine. Infections fluctuate in multifaceted nature. They comprise...
2 Pages 753 Words
Viruses have continuously challenged our perception of what ‘living’ means. The scientific community have constantly debated whether viruses are classified as living or non-living organisms. Viruses are very important complexes of biochemical that influence all types of living organisms including bacteria, yeast, plants and animal cells. Viruses are blobs of RNA or DNA surrounded by a coat of protein. They do not consist of organelles and therefore cannot make copies of their selves. Living organisms also are assumed to compel...
2 Pages 843 Words
Viruses’ evolutionary history has been an interesting but challenging topic for the cell biologists and virologist. Due to their great variety, it has been difficult for biologists to classify them and how they connect to the traditional tree of life. It can express genetic elements that can move between cells. They can represent organisms that lived freely before becoming parasites. It is also alleged they can be precursors of life (David R. Wessner, 2010) Recently, it was proposed that the...
2 Pages 894 Words
Biology has been playing a very big role in our society since the ancient times until now. As one of the branches of science assigned in studying life and living things, it allows us to discover and learn about different organisms through testing, reviewing and experimenting using scientific research methods. Biology allows us to learn about the structure, function, behavior and relationships of living things. Fundamentals of Biology starts from the basic concepts which lets us to deeper understand the...
2 Pages 1038 Words
The transformative history of infections speaks to an interesting, though cloudy, theme for virologists and cell scientists. Due to the extraordinary assorted variety among infections, researcher have battled with how to characterize these elements and how to relate them to the traditional tree of life. They may speak to hereditary components that picked up the capacity to move between cells. They may speak to beforehand free-living life forms that became parasites. They might be the forerunners of life as we...
3 Pages 1410 Words
Abstract Infectious diseases remain a major cause of human and animal morbidity and mortality leading to significant healthcare expenditure.However, enormous successes have been obtained against the control of major epidemic diseases, such as malaria, plague, leprosy and cholera, in the past.The vast terrains and extreme geo-climatic differences and uneven population distribution present unique patterns of distribution of viral diseases. Dynamic interplay of biological, socio-cultural and ecological factors, together with novel aspects of human-animal interphase, pose additional challenges with respect to...
5 Pages 2487 Words
Genetic engineering gives us an option to change the genetics of any animal and microorganisms to a way that may benefit us or simply to our own selfish reasons. As many of you may know, all of the medicine that we see, over the counter and prescribed medicine from your doctor are all products from genetic engineering. Without the basics of genetic engineering, the world today would be like in the past; where there wouldn’t be any medicine that treats...
6 Pages 2875 Words
Nowadays, we are facing a bad situation because of the Covid-19 pandemic. Many reports stated that covid-19 does not have effects during the summer season but it is totally faded out.and it is also makes suffered lots of people by this disease. As a result, winter is also nearing along with the Covid-19 pandemic. Doctors called this a twindemic. However, it is spoiling our life completely, and we could not know what to control and stop spreading this virus. So,...
2 Pages 773 Words
Abstract Viruses are a very important topic among technology users, especially computer users. Viruses have many different intended functions. I will be covering virus payloads and what areas these viruses’ effect. Data files (delete or collect), spreading across multiple computers, spam email that contains different types of viruses, and viruses that enable backdoor access. Data files is where my focus will be during my research. Every computer has files stored on to them, whether that is personal information or business...
3 Pages 1480 Words
The prevalence of HSV –II is so high in the whole world that it leaves millions of families vulnerable to genital herpes and other diseases such as HIV. The HSV-II exposes over 400 million families worldwide to the acquisition of genital herpes and HIV diseases (Looker et al. 2). This research looks at the type 2 Herpes Simplex Virus. HSV-II causes genital herpes. Human beings contract the genital herpes through sexual intercourse and through getting into contact with the genital...
2 Pages 838 Words
ABSTARCT Viruses are so tiny; about 20 to 400 nanometers in diameter, billions can fit on the head of a pin. Every 100 years there is a new virus that hit the world, at the end of 2019, an epidemic of cases with unexplained low respiratory infections caused by virus detected in Wuhan, the largest metropolitan area in China, last December has spread to six continents. The virus killed almost 200,000 innocent people and infected about 3 million people. Yes,...
4 Pages 1763 Words
Mongolia, the birthplace of Genghis Khan, the Land of the Eternal Blue Sky, and home to the world’s last nomads, reigns as a country rooted in tradition. In many ways, life in Mongolia continues to mirror ancient times. Approximately 40% of modern Mongols follow a nomadic, pastoral lifestyle on the steppe. As of year-end of last year, there were 209.8 thousand households with animals, 145.3 thousand of whom are herding households (FOA.org, 2019). Following their livestock, nomadic families move their...
4 Pages 1651 Words
Coronaviruses are single-stranded RNA viruses, about 120 nanometers in diameter. They are susceptible to mutation and recombination and are therefore highly diverse. There are about 40 different varieties and they mainly infect human and non-human mammals and birds. They reside in bats and wild birds, and can spread to other animals and hence to humans. The virus that causes COVID-19 is thought to have originated in bats and then spread to snakes and pangolins and hence to humans, perhaps by...
3 Pages 1369 Words
Abstract Mycoviruses are significant widespread viruses found to be infecting all major groups of plant pathogenic fungi. Mycoviruses require living cells to replicate like other animal and plant viruses. These viruses are transmitted through cell division or during spore formation. Most of the mycoviruses have double strand RNA genome, and few are known to have positive single strand RNA genome, DNA genomes are rear among mycoviruses with one exception of Sclerotinia sclerotiorum hypovirulence-associated DNA mycovirus 1 having DNA genome. Some...
2 Pages 1054 Words
ABSTRACT The viral family of Coronaviridae has an important genus that affects humans called Coronavirus (CoV). CoVs distinct spike surface protein projections and its single stranded enveloped RNA give this virus its distinguishable structure. It is the spike surface proteins which bring about virus entry into host cells and the RNA to facilitate multiplication within the host. Once multiplication has begun this virus causes a range of respiratory illnesses; some methods of control based on the virus's physical structure and...
4 Pages 1829 Words
Introduction Cancer is the second leading cause of death globally after cardiovascular diseases, and is responsible for an estimated 9.6 million deaths in 2018. Globally, about 1 in 6 deaths is due to cancer. (WHO website). Cancer is a genetic disease which is a result of changes in an organism genetic material such as DNA leading to uncontrollable growth of cells; the mass formed by the transformed cells (tumor) is able to avoid the immune system. Scientists and researchers are...
4 Pages 1912 Words
The rapid spread of severe acute respiratory syndrome (SARS) in early 2003 was accepted by a number of governments as a challenge to their national security because of its adverse effects on their economies, including their hospital systems.The SARS epidemic is one of the beneficial case study for evaluating national and international capabilities to deal with disease outbreaks, both naturally occurring and deliberate. This appendix examines the course, impact and important of the epidemic, including the lessons learned regarding the...
3 Pages 1302 Words
What Is Corona Viruse (COVID-19) Corona viruses are a wide group of viruses that in animals and humans may cause disease. Corona viruses are known to cause respiratory infections in humans ranging from mild colds to more severe diseases such as Middle East Respiratory Syndrome, and severe acute respiratory syndrome (SARS). Since being first identified in southern China in 2002, 26 countries continued to be affected, resulting in more than 8,000 cases and 774 deaths. The Coronavirus which was recently...
3 Pages 1471 Words
Gene regulation is the way genes are expressed, and it starts with the central dogma. Gene regulation starts with the DNA which makes mRNA which then makes proteins. Prokaryotes, which are bacteria (for example E. coli), eat whatever we eat; therefore, if we drink milk, the bacteria will break down the lactose using gene regulation (Anderson, 2011). Bacterial genes are found in operons and use regulatory proteins to turn on and off groups of genes in reaction to many environmental...
2 Pages 804 Words
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