Test Answers on Microbiology Flashcards

Human Genetics: Chapter 20

question Which of the following would provide the longest lasting treatment for Leber’s congenital amaurosis II? answer injecting adeno-associated virus carrying a wild type version of the RPE65 gene into affected cells of the retina question Germline gene therapy would correct a genetic defect in answer an affected individual and all of his or her […]

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Genetics Biochemistry First Aid

question What is codominance? answer DEFINITION both alleles contribute to the phenotype of the heterozygote EXAMPLE blood groups A, B, and AB question What is variable expressivity? answer DEFINITION phenotype varies among individuals with same genotype EXAMPLE two patients with NF1 may have varying disease severity question What is incomplete penetrance? answer DEFINITION not all […]

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Unit 6 Genetics

question Malignant tumor answer Consists of cells that are capable of invading other tissues question Metastasis answer Refers to cells that separate from malignant tumors and travel to other sites, where they establish secondary tumors question Clonal evolution answer Process by which mutations that enhance the ability of cells to proliferate predominate in a clone […]

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genetics week 9: Cancer Genetics

question what is cancer? answer A collection of disorders that share the common feature of uncontrolled cell growth. question In order for cells to become cancerous, they much become answer resistant to signals that normally inhibit cell growth question Neoplasm/Tumor answer mass of cells due to uncontrolled cell growth question Tumorigenesis answer formation of tumors […]

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Cancer Genetics — Exam 3

question What is cancer? answer A collection of disorders that share the common feature of uncontrolled cell growth. question What is required for cells to become cancerous? answer They must become resistant to signals that normally inhibit cell growth. question Neoplasm/tumor answer Mass of cells due to uncontrolled cell growth question Tumorigenesis answer Formation of […]

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Epigenetics and cancer

question what is epigenetics? answer chemical changes to how genome is expressed. methylation, acetylation. packing of DNA question what is the DNA methylation reaction catalysed by? answer DNMT – DNA methyltransferase question DNA methylation is used for what? answer Chromatin compaction. Gene transcription silencing. Chromosome and genome stability . X-chromosome inactivation question what is hypomethylation? […]

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Genetics 5 – Cancer Genetics

question 3 Types of Cancer Genes answer 1.) Oncogenes 2.) Tumor Suppressor Genes 3.) DNA Repair/Cell Cycle Genes question Cancer answer Cancer is a disease of the genome. There are 3 different types of genes that are important in the development of cancer: oncogenes, tumor suppressor genes and DNA repair/cell cycle genes. – All “cancer” […]

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FMBG 16 – Oncogenes and Cancer Genetics

question General info on cancer answer He made a point of saying that cancer rates have been rising in recent years. – Food and overconsumption has become an increasingly more studied route of potential cancer growth due to potential oxidative stress and cellular inflammation. It has to do with adipose cells and cytokine levels rising […]

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wk12-Genetics of colorectal cancer

question What is colorectal cancer(CRC)? answer -colorectal cancer is cancer in the colon and the rectum question Cancer prevalence answer -1/3 ppl develop cancer during their lives •1/250 men •~1/300 women diagnosed each year •slightly more men than women -CRC=3rd most prevalent cancer -1/40 ppl in the developed countries of Western Europe and North America […]

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Genetics and Public Health Nursing

question Gene answer the biologic unit of heredity question Gene therapy answer processes to correct defective genes by either replacing, repairing or regulating the defective gene. question Genetics answer study of function & effect of single genes inherited from parents question Genome answer the complete set of genetic material for any organism, entire DNA structure […]

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Epigenetics

question Definition /General answer -carefully orchestrated chemical reactions activate and deactivate parts of the genome (at strategic times and in specific locations -Epigenetics = study of these chemical reactions and the factors that influence them (APA format: Genetic Science Learning Center (2014, June 22) Epigenetics. Learn.Genetics. Retrieved December 27, 2015, from http://learn.genetics.utah.edu/content/epigenetics/ MLA format: Genetic […]

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Oncology cytogenetics mnemonics

question Mantle Cell Lymphoma answer On my MANTLE is a CYCLE with ELEVEN spokes on front wheel and FOURTEEN spokes on the back question MALT Lymphoma answer An ELEVEN yo and a EIGHTEEN yo sharing a MALT is illegal question ALL Unfavorable prognosis. answer What’s the 411 on that ONE, NINETEEN nineties movie “FAVORABLE AMERICAN […]

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z- Test 1 – Microbiology

Enzymes protein catalysts Reaction coupling ability to convert one form of energy into another, then use it to drive energetically unfavorable reactions Oxidation all energy comes from oxidation of something, and electron transfer Membrane gradients bacteria store energy as a potential using membrane gradients of ions regulation of catalysts The regulation of these catalysts (allosteric […]

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Zoonotic Infections

Cholera Microbe – Vibrio choleraeAnimal reservoir – shellfishSpread – T; water/food CJD Microbe – prionAnimal reservoir – cattle/humansSpread – T; food/cannibalism Dengue Microbe – FlaviviridaeAnimal reservoir – monkeys/humansSpread – V; mosquito – Aedes Ebola Microbe – FiloviridaeAnimal reservoir – batsSpread – T; body fluids Hanta Microbe – BunyaviridaeAnimal reservoir – rodentsSpread – T; airborne Plague […]

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Zoonoses – Microbiology

Rhabdovirus -disease -vector -incubation -clinical manifestation -diagnosis -treatment -notes Disease: rabies Vector: infected animals esp. racoons, skunks, bats, and foxes Incubation: 10 days – many years but typically 3-7 weeks Clinical manifestation: –Prodrome   ~fever, malaise, nausea/vomit, skin sensitive to temp, pain at site of bite even after healing –CNS phase   ~paresthesia, hydrophobia, rage […]

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ZOO4232-EXAM 1

Since Pathogenic Parasites rely on their hosts for survival, the population dynamics of the parasite are influenced by the population dynamics of the hosts. The host population will likely contain which of the following? a. individuals who are susceptibleb. individuals who are infectedc. individuals who have been infected but have never recovered *d. all of […]

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zChapter 12 Clinical Bacteriology

S. aureus skin, subcutaneous infections, bacteremia,endocarditis, toxic shock, food poisoning catalase +, facultative anaerobes S. epidermidis opportunistic, nosocomial infectionsnormal skin flora and an opportunist that causes endocarditis of artificial heart valves catalase +, facultative anaerobes Streptococcus pyogenes ?-hemolytic Streptococcus agalactiae Group BBeta hemolyticNormal flora of GI urogenital tractsInfection acquired in utero at birthNeonatal bacteremia, pneumonia, […]

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z- Ch. 2 Nucleic Acids

Polypeptide Non-repetitive polymer Carbohydrates homopolymers or non-repetitive heteropolymers What is nature of genetic material? Chromosomes made of nucleic acids and proteins.Originally assumed genes would be composed of amino acids because it was thought that they appeared to be the only biomolecules with sufficient complexity to convey genetic information.Idea of DNA as genetic material emerged from […]

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z-MicroBio Final – Ch. 29, 30

Virulence of Microorganisms -vs- Resistance of Host Virulence:InvasivenessToxigenicityResistance:Acquired or Induced Immunity (Resistance)Humoral Immunity: mediated by antibodiesCellular Immunity: mediated by cells (T cells)Natural Resistance: (Innate immunity)Cells: macrophages, etc.Mechanical barriers: skin & mucous membranesChemical factors: intereferons, fatty acids on skinMicrobial factors Innate Immunity (Natural Resistance)Non-Specific Mechanical Barriers, Chemical factors, Microbial factors, Cellular factors[image] Mechanical Barriers Skin: very […]

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z-MicroBio Final – Ch. 21

Mutualism both host and microbe benefit Commensalism microbe causes no damage to host Pathogenic relationship microbe causes damage to host Normal Flora microorganisms normally found in or on the body that typically do not cause disease Synergistically capable of working together; two microorganisms are synergistic if they are able to produce a host response greater […]

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Y2 2013 Spring Microbiology Block II

What is the primary causative agent of tooth decay? Streptococcus mutans What causes cariogenic dental plaques? Mouth acidity What is periodontal disease? Inflammation of the gums in response to plaque bacteria such as in dental calculus or gingivitis Responsible for tooth loss in the elderly What causes gingivitis? Porphyromonas gingivalis What causes trench mouth? Synergistic […]

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