Free essays on Microbiology refer to written content that can be accessed online without any cost. These essays cover a wide range of topics related to microbiology including microbial metabolism, genetics, immunology, diseases caused by microorganisms, and microbiological techniques. They offer valuable insights into the structure and function of microorganisms and their interactions with their environment as well as the applications of microbiology in various fields such as biotechnology, food science, and medicine. Free essays on Microbiology can be used by students, researchers, and anyone who wants to enhance their knowledge of microbiology.
The Causes and Spread of the Sexually Transmitted Diseases
Sexually transmitted diseases (STDs). also called venereal diseases, are caused by germs that travel from person to person through sexual contact. Common STDs include syphilis, chlamydia, genital herpes, gonorrhea, and AIDS. Because the germs that cause STDs die quickly outside the human body. these sicknesses are not spread through coughing, sneeZing, or contact With infected objects such as t0ilet seats or eating utensils. Most STDs, however. can be transmitted from an infected pregnant woman to her baby, often causing serious…...
MicrobiologySexualitySexually Transmitted Diseases
The Kirby Bauer Test, a Way to Determine Whether or Not Bacteria are Affected by Antibiotics
The Kirby Bauer test is an inexpensive way to test whether not bacteria are affected by antibiotics. This test was conducted on eight antimicrobials to test and compare the effectiveness, susceptibility, and zones of inhibition During this experiment Mueller- Hinton agar plates were used for the testing, and the two bacterial cultures compared were Escherichia coli and Staphylococcus aureus. The eight antimicrobials tested were Ampicillin (10 pg, AM 10), Chloramphenicol, Ciprofloxacin, Erythromycin (15 pg, E 15), Kanamycin (30 pg, K…...
AntibioticsBiologyMicrobiology
A Report on the Problem of MRSA and the Resistance of S. Aureus to Penicillin-Based Antibiotics
Staphylococcus aureus (S. aureus) is a facultative anaerobe With a spherical shape that grows in clusters with a yellow appearance. This bacteria colonizes well in high moisture areas as well as light moisture environments, and can survive on dry surfaces for extended periods of time. In the majority of cases, this microorganism acts as a harmless commensal. However, in the right setting at the right time it can cause severe and at times fatal infections such as bloodstream infection (BSI).…...
AntibioticsHealthMicrobiology
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The 1918 Spanish Influenza Pandemic
Approximately 50 million people died after being infected with the Spanish influenza dur- ing the pandemic of 1918. The high infection and mortality rate among young people was one of the baffling mysteries of the 1918 flu pandemic. The elderly are generally the most vulnerable during outbreaks of infectious disease, but they were largely unaffected by the Spanish influenza virus. A recent reconstruction of the timeline of the dominant influenza strains dating back to the 19th century has offered a…...
EpidemiologyInfluenzaMicrobiology
The Importance of Giving Vaccines to Children
Whether someone should vaccinate their children or not has been a huge debate for hundreds of years. People try to say that vaccines do more harm than good, but there is evidence that shows vaccines are more beneficial than they are harmful. “The vaccines against hepatitis B, pertussis, pneumococcal disease, and rotavirus all have the possibility of certain side effects, but the harms of disease prevented by the vaccines outweigh the risk of any adverse effects" ("The Benefits of Vaccination…...
MicrobiologyVaccinationVaccines
An Argument in Favor of Vaccines: Vaccines Benefit Our Safety
We all have wants and needs, All of us want/need something different, Some people may need to have someone with them at all times, while some people need to be alone. We are all different. However, there is one need that we all crave; the need to feel safe. We all pretty much feel safe everyday of our lives right? Maybe you feel a little uneasy on the road because of other cars, or maybe you feel a little uncomfortable…...
InfluenzaMicrobiologyVaccines
African Swine Fever and Classical Swine Fever: Differences and Similarities
Since 2014, an outbreak of the viral disease African Swine Fever (ASF, not to be confused with Classical Swine Fever, or CSF) — which is not transferable to humans but has almost a 100% mortality rate (for the most virulent forms) in swine — has been occurring throughout Europe and Asia, affecting and killing hundreds of thousands of bush pigs, warthogs, wild boars, and domestic pigs. ASF is a highly virulent disease from the Asfarviridae family (its only genus is…...
FeverMedicineMicrobiology
Typhoid Fever Infectious Bacterial Fever
Typhoid fever is a disease that was originally found in hogs, which now many humans can get in countries that are non-industrialized. Typhoid fever is an infectious bacterial fever with a breakout of red spots on the chest and abdomen and intestinal irritation. Many believe that typhoid fever has been around since 430 BC, some even believe that this fever was responsible for widespread plague in Athens. Theobald Smith discovered this disease in hogs. Typhoid Fever can be an interesting…...
FeverMicrobiologyPublic Health
New Geological Era Anthropocene
Human activities have pushed the planet into a new geological epoch known as the Anthropocene. In this new era, climate change affects most life on Earth, making it one of the biggest challenges the world is currently facing . Although extensive research has been dedicated to its effects on various ecosystems, these studies usually concentrate on the macroscopic organisms. Less time and effort have been devoted to establishing its effects on microorganisms such as bacteria and fungi, even though it…...
MicroorganismsNews
H2S BTF Processing Mechanism
Conventional, the main component of a BTFs system including microorganisms community, biofilms, and packing material. The mechanism treatment of H2S by BTFs quite complex, the gas stream through the biofilm where the H2S mass transfer process occurs, and contact between gas phase and liquid phase. Then it is decomposed by microorganisms community (primarily sulfur-oxidizing bacteria), by-products are obtained by settle tank and used in agriculture activities. The microorganisms are cultured by bioreactors then they are transferred into the bed filter…...
Due ProcessMicroorganisms
Measuring Microbial Activity in Soil
Soil management covers a broad scope of food production and is a well-researched and active field. As much of the global agriculture industry aims to produce more food, there is a constant quest for new information and data. However, the topic of improving soil via increasing healthy microbes is less researched. Lesser still is the more specific topic of using at-home methods to count soil microbes as an indication of soil health in the tropics. According to Englander, Douds &…...
MicroorganismsStudy
Hidden in Your Home: The Dangerous World of Microorganisms
It is natural for an individual to think that their home is a place of safety, a place where they can sleep peacefully and have little to worry about. What they don’t know is that their home is an ecosystem to many organisms that are not visible to the human eye. These microorganisms can range from being slightly safe organisms like bacteria to being dangerous organisms that can cause you harm such as viruses, fungi, and parasites. There are certain…...
BacteriaHomeMicroorganisms
Aeromonas Hydrophila In Fish
Cyprinus carpio belongs to the family of Cyprinidae and order Cypriniformes. Although C. carpio belongs to the family of freshwater fish, they also inhabit in brackish-water environment. C. carpio are commonly found in lakes, rivers and ponds. They are widely distributed in the world, mainly in the region of Europe and Asia. Rivers that are flowing into Black, Caspian and Aral Sea are natural habitat of the wild stocks. C. carpio is one of the oldest domesticated aquatic species for…...
BiologyFamilyImmune SystemInfectious DiseasesMedicineMicrobiology
Microbiology Rotavirus
The following example essay on "Microbiology Rotavirus" is about rotavirus infection, also called rotavirus gastroenteritis, or colloquially, stomach or intestinal flu. Until 1973, no one knew why hundreds of thousands of children were dying after having severe diarrhea, there was never any indication as to why these situations were occurring in hospitals across the world. Most children were misdiagnosed with gastroenteritis, malabsorption, or celiac disease and given treatments for these diseases, that was until four scientists: Ruth Bishop, Geoffrey Davidson,…...
BiologyHealthHealth CareInfectious DiseasesMedicineMicrobiology
Different Types Of Impetigo
The following sample essay on Types Of Impetigo familiarizes the reader with the topic-related facts, theories and approaches. Scroll down to read the entire paper. The chief bacterial pathogen associated with impetigo is Staphylococcus aureus. which are Gram-positive bacteriums that are ubiquitously present in the environment ( Melles et al. . 2004 ) . Other instances of impetigo involve bacterial species. Staphylococcus pyogenes. which is besides known as group A beta-hemolytic streptococcus ( GABHS ) . One alone characteristic of…...
BiologyEpidemiologyHealth CareInfectious DiseasesMedicineMicrobiology
Bacterial Conjugation Lab Report
This sample paper on Bacterial Conjugation Lab Report offers a framework of relevant facts based on the recent research in the field. Read the introductory part, body and conclusion of the paper below.Using alkaline lysine nipper, a DNA lassie was isolated from the donor and transcontinental strains and FIG electrophoresis was used to determine the size of the plasmid. The conjugation efficiency was found to be 16. 25% and the plasmid DNA was approximately 97 kilobytes long. The results show…...
BacteriaBiologyBiotechnologyChemistryGeneticsMicrobiology
Unknown Bacteria Lab Report Gram Negative
The folllowing sample essay on Unknown Bacteria Lab Report Gram Negative discusses it in detail, offering basic facts and pros and cons associated with it. To read the essay's introduction, body and conclusion, scroll down.E. Coli is most commonly found in the intestines of warm blooded organisms. Most E. Coli strands are non pathogenic however, there are strands known to cause food poisoning. Introduction There are multiple reasons for identifying unknown bacteria. In research, it is a must to be…...
BacteriaBiologyChemistryGlucoseMicrobiology
Because Of A Snowstorm Your Regular Laboratory Session
This sample essay on Because Of A Snowstorm Your Regular Laboratory Session provides important aspects of the issue and arguments for and against as well as the needed facts. Read on this essay's introduction, body paragraphs, and conclusion.Countersink: Used to stain red the cells that have been decolonize (Gram – cells). C. Decontrolling agent: removes the primary stain so that the countersink can be absorbed. D. Mordant: Increases the cells’ affinity for a stain by binding to the primary stain.…...
BacteriaBiologyDiseaseHealthMicrobiologyScience
Kirby Bauer Test Lab Report
This sample essay on Kirby Bauer Test Lab Report reveals arguments and important aspects of this topic. Read this essay's introduction, body paragraphs and the conclusion below.It just also be capable of killing or inhibiting the growth of other microorganisms and of doing so when taken in very small quantities. To study whether a microbial product qualifies as an effective antibiotic, a standard procedure called the Kirby-Bauer method is employed. This method, which is the procedure recommended by the US…...
BacteriaBiologyBiotechnologyDiseaseHealthInfectious Diseases
Microbiology Unknown Lab Report
This sample essay on Microbiology Unknown Lab Report reveals arguments and important aspects of this topic. Read this essay's introduction, body paragraphs and the conclusion below.Preparing for class – Day I Read in your lab manual about the following agar mediums: Blood Agar (pug 168), EMBED Agar (pug 170), Imitation Salt Agar 172)), McCracken Agar (pug 174), ND PEA Agar (pug 176) to answer the following: 1. What does the blood agar select for? Blood agar allows distinction among bacteria…...
BacteriaBiologyBloodMicrobiology
How a Frenchman Got the Virus
The book begins with a French Man, nicknamed Charles Monet, visiting the Kitum Cave*. A few days after, he begins to suffer from symptoms such as vomiting, red eye, and back pain. He is later taken to the Nairobi Hospital*. There, he goes into a coma and dies. Shem Musoke was infected by exposure to Charles’ blood and vomit. Musoke developed symptoms from the filovirus* and survived. This particular filovirus was found to be the Marburg virus*. Dr. Nancy Jaax…...
DiseaseEbolaEpidemiologyFeverInfectious DiseasesMedicine
Identification Of Unknown Bacteria Lab Report
This sample paper on Identification Of Unknown Bacteria Lab Report offers a framework of relevant facts based on recent research in the field. Read the introductory part, body, and conclusion of the paper below.Not all of these tests were performed on every culture, as some were used only for gram positive or gram active bacteria. The tests performed and what constituted a positive or negative test are as follows: Lab day 1; today in lab we obtained the unknown mixed…...
BacteriaBiologyMicrobiology
Dengue Fever Essay
The sample essay on Dengue Fever Essay deals with a framework of research-based facts, approaches, and arguments concerning this theme. To see the essay's introduction, body paragraphs and conclusion, read on.In subtropical and tropical regions, the dengue virus represents a major threat to human health. The microorganism’s natural hosts include mosquitoes, lower primates, and humans. Infection of the human host results in a biphasic fever with the potential to evolve into severe hemorrhagic disease. Over the past few decades, the…...
Dengue FeverEpidemiologyInfectious DiseasesMedicineMicrobiologyVaccines
Medical Asepsis Examples
The essay sample on Medical Asepsis Examples dwells on its problems, providing a shortened but comprehensive overview of basic facts and arguments related to it. To read the essay, scroll down.Microorganisms are naturally present in the environment. Some are beneficial and some are not. Some are harmless to most people and others are detrimental to many persons. The efforts of many persons are involved in maintaining a microorganism-safe environment. But we cannot take away microorganisms in our environment and even…...
Health CareMedicineMicrobiologyNursingPublic Health
Investigatory Project
Natural Mosquito Repellant A Science Research Project In Partial Fulfillment of the Requirement in Science And Technology I Melvin T. Magsayo March 2012 ABSTRACT This research entitled NATURAL MOSQUITO REPELLANT conducted by KAYE ANGELLIE C. NAPIGKIT of Lanao Chung Hua School. One problem of today especially with regards to health is the disease caused by mosquito. Mosquitoes are a family of small, midge-like flies, the Culicidae. It is said to be the most dangerous species on earth. It carries virus…...
Dengue FeverInfectious DiseasesMalariaMicrobiologyResearch
Bacterial Growth Curve Lab Report
Microbiology (Lab Report) Closed system growth curve Closed System Growth Curve Lab Report PURPOSE Bacteria grown in a closed system show a specific growth pattern called the growth curve which consists of four phases. The lag phase, which is a period of slow growth; exponential phase, period Of maximum growth; stationary phase, where nutrients become the limiting factor making the growth rate equal to the death rate and the death phase where organisms die faster than they are replaced. It…...
BacteriaBiologyChemistryMicrobiology
Isolation Of Microorganisms Pdf
The following sample essay on Isolation Of Microorganisms Pdf. It is crucial in the field of microbiology to study the morphology, biological activity, and the behavior of microbes thus the isolation of such microbes from the environment is necessary because it allows scientists to study them in close proximity. Microbial life forms are found everywhere. They are major players in biochemical cycling of elements and primary producers in numerous environments. There are also some microbes living inside higher forms of…...
BacteriaBiologyMicrobiology
Transfer Lab Escherichia coli
The following example essay on "Transfer Lab Escherichia Coli" is about a bacterium commonly found in the lower intestines of warm-blooded organisms, some strains of which can cause severe food poisoning. Introduction Escherichia coli is a bacterium that can affect our health or even kill. Like most bacteria, E. coli is able to change and progress into different forms based on genetic changes that they can go through. One example of this genetic change is shown in the E. coli…...
BacteriaBiologyBiotechnologyDnaGeneticsMicrobiology
Contagion Movie Summary Essay
In 2011 , the blockbuster, Contagion, was released, featuring several prominent actors. In summary, the movie is the story of a father who loses his wife and son to a completely brand new virus. This new virus, dubbed MOVE-I, originated from a bat in Hong Kong. The bat bit a fruit then dropped it into a pigpen infecting the pig that consumed the fruit with the bat’s virus. While pig was prepped to be cooked, the chef touched the pig’s…...
EpidemiologyInfectious DiseasesMedicineMicrobiologyPublic HealthVaccines
Food Bourne Illness
Foodborne illnesses are defined as any illness that you receive from the consumption of food that has been contaminated by a certain bacteria, virus, or parasite. Salmonella is a common foodborne illness found in beef, poultry, milk, and eggs. It has an estimated 1. 2 million cases every year just in the United States. Salmonellosis is also known as Salmonella. According to Salmonella (n. d. , “Salmonella is a genus of rod-shaped, Gram-negative, non-spore-forming, predominately motile enterobacteria with diameters around…...
EpidemiologyInfectious DiseasesMedicineMicrobiologyPublic Health
Clinical Case Studies For Nursing Students
Imagine you are following the doctor as part of your nursing training. Before you enter the examining room the physician pulls the chart off the door and hands it to you. You enter the room and greet the patient. What is your tentative diagnosis? Each question is worth 3pts. Clinical Case 1 The throat is red, raw, and has a “beefy” look; lymph nodes are swollen, patient is feverish and fever is high: blood samples reveal bacteria in a chain.…...
EducationEpidemiologyHealthInfectious DiseasesLearningMedicine
Unknown Project Microbiology
Microbiology Project The purpose to this lab was to isolate and identify two unknown bacteria from a mixed culture provided to us. This study was done by applying all of the methods that have been instructed on thus far in microbiology laboratory class. Each test performed, provided us with some key information about the unknown microbes in question . The identification of unknown bacteria is a time honored part of microbiology courses. It will challenge knowledge and skill in performing…...
BacteriaBiologyChemistryMicrobiology
Synergistic Antibacterial Action of Honey and Oregano
In the following example, an essay on the synergistic antibacterial action of honey and oregano. Read the introduction, body and conclusion of the essay, scroll down. Impacts of E. Coli Escherichia coli, also known as E. coli, is a common bacterium found in our environment, our food sources, and our water source as well. The commonness of an issue may often be attributed to triviality; however, E. coli is not to be taken lightly. The bacteria can cause a variety…...
BacteriaBiologyHoney BeeMicrobiology
Unknown Bacteria Lab Report
The two streak plates made from the mixture of unknown bacteria showed two different colony morphologies. Colonies of Bacteria A were translucent in color, circular in form, with entire margins and a smooth surface. Colonies of Bacteria B were cream colored, irregular in form, with undulate margins and an ambulate surface. Two different morphologies allowed Gram stains to be performed on each of the bacterium. Gram staining of Bacteria A revealed pink, rod-shaped cells signifying that the bacterium was Gram-negative…...
BacteriaBiologyBiotechnologyMicrobiologyMicroorganisms
My Lab partner And I Had The
Unknown bacteria number seven, we have come to the conclusion that this is Pseudomonas aeruginosa. When we conducted out morphology testing, we found a small pink colored rod, which entailed that it was gram negative. We found our specific strain to be non-motile even though it is a motile bacterium. When we grew the pseudomonas on a tryptic soy agar it grew green, this specific color change is what helped us initially come to the conclusion that this was our…...
BacteriaBiologyMicrobiologyMicroorganisms
biology research task
The following sample essay on biology research task about biology research task on Neurocysticercosis. Aim: To investigate what causes a tapeworm to enter ones bloodstream even getting to the brain, what is neurocysticercosis, is the case increasing or at risk of increasing? Hypothesis: Not deworming, eating unhealthy processed food mostly pork and unhealthy living causes worms in bloodstream , neurocysticercosis is a sickness where there is a worm in someone's the cases are growing and are at risk of increasing.…...
BiologyInfectious DiseasesMedicineMicrobiologyPublic Health
Evolutionary Characteristics Of Bats
Bats are a unique group of small mammals to have evolved wings with a well-developed ability for powered flight. They exhibit evolutionary characteristics that to a large extent are considered socially, physiologically and ecologically unique and peculiar. Bats are classified under the Order Chiroptera containing the suborders Pteropodiformes and Vespertilioniformes which consist of mega and micro bats respectively. They are the most abundant group of mammals in terms of population numbers with a great diversity of over 1000 extant species…...
AnimalsBiologyEpidemiologyInfectious DiseasesMicrobiologyViruses
Biotechnology: Biological Weapons/Bioterrorism
The following sample essay on Biotechnology: Biological Weapons/Bioterrorism discusses what biological weapon is all about, why is it harmful or useful to human beings and what are the consequences there are in using them. Introduction Nowadays we are living in a world where progress is very much appreciated. Technology made our lives a whole lot easier and there are many inventions who had been a great help to us, mankind. However, does all this inventions promote the goods of all…...
BiologyBiotechnologyBioterrorismInfectious DiseasesMicrobiologyMilitary
13 Principles of Aseptic Technique in Operating Room
Main Principles of Sterile Technique So, what are the principles of sterile technique? 1. ONLY STERILE ITEMS ARE USED WITHIN THE STERILE FIELD. Some items such as linens, sponges, or basins may be obtained from stock supply of sterile packages. Others, such as instruments, may be sterilized immediately proceeding the operation and removed directly from the sterilizer to the sterile tables. Every person who dispenses a sterile article must be sure of its sterility and of its sterile until used.…...
Health CareMedicineMicrobiology
A Lab Report on Microbial Growth
Typical hosts of this species are humans and other warm-blooded animals, where a favorable temperature of ICC is usually maintained in the intestinal tract. S. Epidermis may cause urinary tract infections (Tutsis) and infections associated with intramuscular devices such as prosthetic heart valves, shunts, etc. (Babushka, 2004). The second microorganism that was analyzed during this procedure was Escherichia coli. E. Coli is a gram-negative and bacillus (rod-shaped) bacterium, that thrives in an optimum temperature of 37th commonly found in the…...
BacteriaBiologyMicrobiology
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