Final exam microbiology with answers une

Microbiology for Health Professions BIOL is an online course taken by many post-grad students looking to fill a gap in their transcript.

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We spoke with course designer and instructor Dr. Marta Frisardi about the course standards, the types of schools that accept this UNE Online microbiology course as a prerequisite, and about some of the labs that students will be required to conduct.

This is the sixth year we have offered microbiology at UNE Online. Initially, the course used a virtual lab, but we have since moved to a hands-on style of lab format. Manipulating the actual lab equipment also teaches students industry-standard lab skills and how to correctly use the same lab equipment that they would find in an on-campus microbiology lab course. Students are able to rapidly progress through the material and master the course content because, although microbiology is self-paced and designed to be completed in 16 weeks, many students choose to complete the course far more quickly in order to meet application deadlines for their graduate programs.

The absolute minimum time needed to complete the labs has been found to be 6 full weeks. Most students take longer. And if the student has an issue with their microbe and needs to grow another culture, the time of completion will be longer than 6 weeks. Each lab is designed both to meet the learning objectives of the lesson and also to meet the overall learning objectives of the course.

The course teaches a series of techniques and an appreciation for the fact that microbes are ubiquitous. Students work with three different microbes — two bacterial species and one eukaryotic yeast species — and they take these through a series of selected biochemical tests and differential media. Students conduct these manipulations and biochemical tests right in their homes and then interpret and analyze their results.

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Students have to do the experiments. The lab is designed not to simply have students analyze the content and learn the basic background behind each of the tests they will be carrying out or the characteristics they will be studying of these microorganisms. The lab is designed to actually have the students carry out the experiments, generate data, and extrapolate conclusions from their results. But students have to document their results as well. They have to take photos of their cultures and label the specimens properly.

They have to indicate in a tabular format what their results are, and then come to a conclusion about what the results are telling them. In their submitted lab report, students must independently research and use correct citations for all of their reference materials as well. In the laboratory final exam, students are tested on questions that pertain to the basis of the background of the labs. Because each lab experiment has been carried out by UNE already, there is a series of photographs of results, many of which are in the lab final exam.

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Some of the questions ask the student to evaluate a photograph of one of the stages of a lab and extrapolate their conclusion based on the result. The images from the final should be very similar to the images the student-generated on their own — or at the very least what they should understand, even if their experiment was not successful. One particular lab looks at food safety and commercial milk products. A student will open a container of milk and keep it in the refrigerator for a week, and then they culture that milk and compare it with a freshly-opened container of milk.

Among other learning outcomes, this simple experiment demonstrates in a practical way that pasteurization does not eliminate bacteria. Another common food we test is lettuce. Students culture unwashed lettuce directly from the store, then they wash the lettuce and culture whatever bacteria remains on the surface.

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One lab requires students to swab a variety of surfaces in their own home environment including the keyboard of their computer, their cell phone, and the handle on the refrigerator, to see for themselves what types of microbes can be cultured. Students completing this course move on to various types of graduate schools and programs, with most students moving on into some type of healthcare or animal care program. Some are in sports medicine, some have a degree in biology, some work in psychology, some have a baccalaureate in athletic training, and so on.

So they may have taken a variety of other science courses, but not microbiology. Dozens of graduate schools refer their applicants directly to UNE Online if the student needs a class or two to qualify for admission into their health science program. Some other professions that might require this course are the fields of nutrition, neuroscience, food science, psychology, forensics, water quality testing, and genetic counseling. There are many undergraduates enrolled right now who are using the course to fill a gap in their transcript in order to complete their undergraduate degree.The questions included in this study guide are representative of those found on quizzes and exams given in the microbiology course provided by Harriet Wilson.

For your convenience, most of the sample lecture questions have been divided into sets according to the topics indicated on your lecture schedule. Four sample lab. Most duplicate questions have been eliminated.

History of Microbiology. Characteristics of Life and Biochemistry. Cell Membrane Structure and Function. Eucaryotic and Procaryotic Cells. Taxonomy and Classification. Introduction to Archaea and Bacteria. Introduction to Fungi.

Introduction to Algae. Introduction to Protozoa. Introduction to Multicellular Parasites. Microbial Nutrition and Growth. Fermentation and Cellular Respiration. Regulation of Gene expression Genetic Control. Genes and Mutations. Introduction to Prions, Viroids and Viruses. Control of Microorganisms and Antimicrobial Chemotherapy. Specific Defense and Immunology.

Immunization and Hypersensitivity. Epidemiology and Disease Transmission. Pathology and Mechanisms of Pathogenicity and Bacterial Diseases. Laboratory Exam I Example I. Suggested Study Techniques - see printed version in study guide. Recommended Study Techniques Web Version. All Rights Reserved.Sign in. Don't have an account?

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Please sign in to add to folders. Upgrade to Cram Premium Close. Upgrade Cancel. Study your flashcards anywhere! How to study your flashcards.Which of the following structures contains genes for enzymes and antibiotic resistance?

Which of the following is the most important structure related to microbial attachment to cells? Which of the following is not a gram-negative bug?

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Which of the following is not true related to endotoxins? Endotoxins are secreted from cells. Which of the following microorganisms stain well? Which of the following microorganisms are not matched correctly with the appropriate isolation media?

Which of the following diseases and bacteria are matched up incorrectly? Which of the following is not true concerning Staphylococcus aureus? Which of the following signs and symptoms is not linked to Haemophilus influenzae? The Tsetse fly is a transmission factor for which of the following organisms? The Ixodes tick is a transmission factor for which of the following organisms? Which of the following is not fungal related? Which of the following is not a DNA virus?

Which of the following is not a RNA virus? Which of the following viruses is not a double strand linear DNA virus? Which of the following viruses is not a single strand linear RNA virus? The Tzanck test is not used on which of the following viruses?To login with Google, please enable popups. Sign up. To signup with Google, please enable popups. Sign up with Google or Facebook. To sign up you must be 13 or older. Terms of Use and Privacy Policy.

Already have an account? Log in. Get started today! Edit a Copy. Study these flashcards. Amanda L. This method has added the most detailed information about taxonomy Taxonomy has at least 2 main stages.

final exam microbiology with answers une

They are These Gram-positive aerobes have a waxy component in their cell wall You can partially confirm a serological test of an organism in a mixture under the microscope by looking for Considering these facts, it is most likely that these organisms are This obligate intracellular organism is thought to be the ancestor of the mitochondria.

GC content of an organism can be determine by melting temperatures because base pairs hybridize with different numbers of Family of prokaryotes are given suffix of These common facultative anaerobes are found in the intestine of humans. Proteobacteria alpha-epsilon. A phylum of Gram-negative organisms has 5 classes named by Greek letters. Bergey's Manual of Systematic Bacteriology.

After full investigation, my newly discovered organism Candidatus Streptococcus cobinus is being officially named. Molecular analysis that revolutionized taxonomy is the sequencing of Gram positives.

Methanogens are mostly members of Archaea. These organisms are difficult to culture because Maximum likelihood rooted.

Cyanobacteria sp. A species from this genus of obligate aerobes can absorb times the radiation a human can. This genus of Gram-positive firmicutes produces endospores. Which of the following is useful for identification of new organisms? Ribosomal sequences are used for phylogeny because Caulobacter divide after formation of a stalk. Sign up for free and study better. Anytime, anywhere. Find materials for your class:.To login with Google, please enable popups.

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Log in. A selective differential medium that is often used to detect and isolate gram negative enteric microorganisms such as E. Particularly showing which bacteria ferment lactose and which do not. Used to detect and isolate Micrococcus and Staphylococcus species from clinical, cosmetic and pharmaceutical specimens. Used for detection and isolation of gram negative organisms from clinical, food, water, ant other specimens.

Useful for differentiating between lactose fermenting and non-lactose fermenting gram negative enteric bacteria. What would happen to your zone of inhibition if you poured a Mueller-Hinton plate too thin during a Kirby-Bauer assay? What enzyme is responsible for detoxifying the reactive oxygen species generated by bacterial cells? What technique would you use to estimate the number of microbes in a liquid culture? What is the name of the structure that makes certain microbes appear shiny on a nutrient agar plate, and contributes to the formation of biofilms?

Whoops: you broke your inoculating needle and can no longer perform a semisolid motility assay. What test could you use instead? What do we call a microbe that has complex nutritional requirements and may grow best in media enriched with ingredients like blood? Whoops: you forgot to add dye to your sample before running gel electrophoresis! What will be the most likely consequence of this error?

final exam microbiology with answers une

Which test allows you to differentiate bacteria based on whether they use aerobic respiration or fermentation? What is the name of the gene that only methicillin-resistant Staphylococcus aureus will have? Get started today! Micro Final. Edit a Copy. Study these flashcards. Jess F.

Selective Differential media often used to detect and isolate gram-negative enteric microorganisms such as E.Immunity is highly specific: an individual who recovers from measles is protected against the measles virus but not against other common viruses such as cold, chicken- pox or mumps.

Normally, many of the responses of the immune system initiate the destruction and elimination of invading organisms and any toxic molecules produced by them. Because these immune reactions are destructive in nature, it becomes necessary that they be made in response only to molecules that are foreign to the host and not to those of the host itself. This ability to distinguish foreign molecules from self molecules is another fundamental feature of the immune system.

Almost any macromolecule e. Some eminent scientists and their contributions to the field of immunology starting from thucididas of the time before Christ up to the late 20 th century Immunologists. Pointed out that the people who were once attacked by the plague could tend the sick without the fear of the second attack of the disease. Jenner in used non virulent cowpox vaccine against small pox infection. So that Edward Jenner was the first one who prepared vaccine against small pox.

The next great discovery in the field of Immunology is that of the French chemist Louis Pasteur. He worked on a common of the animals such as pebrine disease of silk worm anthrax disease of cattleChicken cholera disease of fowls and rabies.

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Pasteur tried a successfully using attenuated organism against anthrax. In he suggested the role of phagocytes in Immunity. In shared Nobel Prize with Ehrich for his contribution to Immunity. In he recognized antibodies in serum against diphtheria toxin. He discovered the occurrence of a time lag after antigen injections before antibody was formed. He also found out that Immunity could be transferred from mother to offspring. Received Nobel Prize in for his discovery of penicillin, discovery of antibiotic.

Introduced diagnosis of a disease by blood test. Human body is capable of resisting different types of organisms or toxins that can damage organs or tissues. The body can also prevent recurrence of certain infectious diseases.

The capacity of an organism to resist development of disease is called immunity. This ability is of vital importance because the body is exposed to pathogens from the moment of birth. The study of immunity is immunology. The immune system is composed of cells that can engulf bacteria, kill parasites or tumour cells, or kill viral-infected cells. The different interdependent cell types collectively protect the body from bacterial, parasitic, fungal, viral infections and from the growth of tumour cells.

Many of these cell types have specialised functions. The human body has various ways of stopping pathogens from getting into the body. The antigens found in the surface of the red blood cells are called agglutinogens. They cause agglutination reaction in the presence of specific antibodies known as agglutinins. Therefore during blood transfusion, proper matching of the donor and recipient must be done. Reaction between the antigens and antibodies will produce chumping that will clog the capillaries, burst cells and release hemoglobin.

This will crystallize in the kidney and lead to kidney failure.

final exam microbiology with answers une

Similarly Rh incompatibility Fig. These passively acquired antibodies destroy any fetal cells that got into her circulation before they can elicit an active immune response in the mother. Tiselius and Kabat in demonstrated that the antibody activity is associated with the gamma globulin, fraction of the blood serum.

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But later researches have shown that not only gamma globulin but also the other fractions of serum globulins show antibody activity. Hence the scrum globulins which are immunologically active are termed as immunoglobulins.


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