Gram-negative bacteria based on their cell wall. Most of the bacteria or yeast in the starter cultures used are Gram-positive. Gram staining requires 4 types of solutions used in the procedure: crystal violet‚ mordant‚ alcohol and safranin. The Gram-positive microbes will have blue stain while Gram-negative stains pink after the procedure. Methylene blue solution is a
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carry the microbes to the lymph nodes‚ where they multiply and then spread via the bloodstream to other organs in the body (1). The second and most deadly route of entry is by inhaling airborne spores in the lungs. The spores settle in the alveoli of the lungs and can take up to 60 days until it start to germinate. The symptoms are flulike in the beginning‚ but then they evolve into fever‚ chest pain‚ problems with breathing‚ shock‚ coma‚ and at the end death. Again‚ the way the microbes are transported
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Genetics: the science of heredity that includes the study of what genes are‚ how they carry info‚ how they are replicated and passed to subsequent generations of cells or passed between organisms‚ and how the expression of their info within an organism determines the particular characteristics of that organism. Genome: the cell’s genetic information that includes it’s plasmids and chromosome. Chromosomes: structures containing DNA that physically carry hereditary info‚ contain the genes Genes:
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Study Guide for Exam 1 Chapter 1: 1. What is a “microbe”? What groups of organisms are included in this category? Microbes (microorganisms) are minute living things that individually are too small to be seen with the unaided eye the group includes bacteria‚ fungi‚ protozoa‚ and microscopic algae‚ viruses Only minority of microorganisms are pathogenic(disease-producing) 2. What are some of the benefits provided by microbes? Decompose organic waste‚ producers in the ecosystem by
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magic bullet and discovery of penicillin. this has help society to understand the causes of disease‚ and the ways to tackle it. These discoveries began in the 1800s‚ where doctors at the time were just beginning to speculate about germs and microbes with a new invention‚ the microscope. the microscope can see what is invisible to human eye and it was good use for identifying micro organism as they were incredibly small. those doctors who believed germs existed thought they were the result of
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gram-positive and those that stain pink are considered gram-negative. 2. A simple stain is a stain that reacts with all microbes in and identical fashion. They are used to increase contrast. 3. They are different from one another because Differential stains affect specific microbes differently depending on the differences in their cell walls‚ whereas a simple stain affects all microbes the same. B. Describe the differences between gram-positive bacteria and gram-negative bacteria cell walls?
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BIOREMEDIATION Bioremediation is such type of technology in which microorganism‚ fungi‚ bacteria‚ plant and there is use to convert polluted condition in to original condition. Through bioremediation process microorganism act on pollutant or on chemicals due to which pollution occur and help that thing to come back in its original condition. Bioremediation is an option to offers the possibility to destroy or renders various harmful thing through natural biological activity.
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♣Immunological- serological analysis ♣Genotypic- genetic techniques Dr.T.V.Rao MD 2 Microbe Identification • The successful identification of microbe depends on: ♥ Using the proper aseptic techniques. ♥ Correctly obtaining the specimen. ♥ Correctly handling the specimen ♥ Quickly transporting the specimen to the lab. ♥ Once the specimen reaches the lab it is cultured and identified. Dr.T.V.Rao MD 3 Microbe Identification • Identification measures include: ♣ Microscopy (staining) ♣ growth
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learned that the trick to remembering who the heterotrophic microbes are‚ is to think of them
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search for antibiotics started in the 1800s. It was promoted by the formation of the germ theory of disease. The thought connected bacteria and several microbes to the causation of the ailments. As a result‚ scientists devoted time to search drugs that would kill the bacteria that causes diseases. The study aimed at finding magic bullets to destroy microbes without being toxic to the person in need. Scientific exploration discovered harmless bacteria to fight pathogenic strains. A great and notable breakthrough
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