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...
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Introduction Marine viruses, despite their microscopic size, play a pivotal role in oceanic ecosystems. These entities, often overshadowed by their terrestrial counterparts, possess unique genetic properties that enable them to influence marine biodiversity and biogeochemical cycles significantly. As the most abundant biological entities in the ocean, with estimates of 1031 virus particles in marine environments, their impact on global carbon...
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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,...
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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...
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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...
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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...
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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...
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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...
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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...
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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....
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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...
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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....
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Introduction Viruses, as obligate intracellular parasites, have evolved a myriad of strategies to circumvent host immune defenses. Immune escape is a critical aspect of viral survival and proliferation, enabling viruses to persist within a host and spread between individuals. This phenomenon poses significant challenges to public health, as it complicates vaccine development and antiviral drug efficacy. The ability of viruses...
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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...
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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...
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We know how the COVID-19 pandemic began: Bats near Wuhan, China, hold a mix of coronavirus strains, and sometime last fall one of the strains, opportunistic enough to cross species lines, left its host or hosts and ended up in a person. Then it was on the loose. What no one knows yet is how the pandemic will end. This...
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Introduction Mycoviruses, the viruses that infect fungi, represent a fascinating and relatively unexplored domain within virology. Unlike their plant and animal counterparts, mycoviruses are predominantly cryptic, often not causing overt symptoms in their fungal hosts. This attribute has historically rendered them obscure, with their discovery and study lagging behind other viral forms. However, increased awareness of their potential roles in...
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Abstract There are seven types of coronaviruses appeared till now and they are different in their pathogenicity and the degree of the severity of the symptoms they cause. Phylogenetic analysis should be conducted in order to know the origin of the lethal viruses to be able to find treatments for them. In this essay, what have been found so far...
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Introduction COVID-19 is a worldwide pandemic involving the vast spread of a type of viruses called the Corona virus. These viruses are positive-stranded RNA viruses having a crown-like appearance when viewed an electron microscope. It belongs to the subfamily Orthocoronavirinae of the Coronaviridae family (order Nidovirales) and is divided into four genera of CoVs: Alphacoronavirus (alphaCoV), Betacoronavirus (betaCoV), Deltacoronavirus (deltaCoV),...
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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...
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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...
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Introduction Bacteria and bacterial viruses, commonly known as bacteriophages, represent two crucial entities in microbiology that have significantly influenced biological research and biotechnology. While bacteria are unicellular microorganisms classified as prokaryotes, bacteriophages are viruses that specifically infect bacterial cells. Despite their distinct classifications and fundamental differences in structure and lifecycle, bacteria and bacteriophages exhibit several similarities that are intriguing from...
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Throughout history, there have been several pandemics, including the 2009 H1N1 virus, the 1918 Spanish flu, and most recently COVID-19. In each occurrence, these pandemics have been linked to similar features, causes, and severe effects. As a result, based on the past, it can aid in determining what exactly defines a pandemic. The characteristics of global spread and little or...
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Introduction In 1981 the Acquired Immune Deficiency Syndrome (AIDS) was firstly identified as a new disease caused by a retrovirus, human immunodeficiency virus type 1 (HIV-1). It was the cause factor of the most devastating disease that emerged in the last 35 years. HIV-1 also spreads by percutaneous and perinatal routes, or exposure at mucosal surfaces, but primarily via sexual...
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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...
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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...
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Influenza has become an annual epidemic, increasing in volatility, which can greatly affect the fragile and vulnerable, particularly the elderly. Within healthcare settings, such as aged-care facilities, outbreaks can be greatly detrimental to the health and wellbeing of the residents, impacting greatly on their ability to partake in their activities of daily living (ADL). This essay will discuss influenza, infection...
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The coronavirus epidemic is present on all continents. A collective fear sets in and changes our relationship with one another. Since December 2019, the new coronavirus has infected over 180,000 people for 7,000 deaths. This global virus is changing our relationships and our behavior. Why and how does this phenomenon transform our way of thinking? In the recent period, there...
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With the fear of the second wave of coronavirus infections in China emanating from imported cases and rumours that local transmissions might still be ongoing, it's becoming crystal clear that there is no end to this battle with the unseen enemy which is running into four months now. Lockdowns, testings, quarantine, self-isolation, social distancing, and medical treatment have proved to...
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COVID-19 causes fear and anxiety to people around the world, its affecting people’s lives, for example, their work, school, and their social interactions. Panic will only cause more damage and it can make people make rash decisions that could be harmful at such a time, people should be aware and alert but they also should avoid panic. The effects of...
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