INTRODUCTION This scientific report is to discuss the results of an experiment being conducted on the effect that antibiotics have on the growth of bacteria. This will be done through the use of microbiology. Microbiology is a science in the department of biology‚ particularly microorganisms. These include; bacterium‚ fungi‚ protozoa‚ algae and viruses. This is an important subject to study as microorganisms can be found everywhere‚ covering all matters of different surfaces even including the human
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Abstract: Bacteria consists of a large domain of prokaryotic microorganism in which can fight of antibiotics allowing the bacteria to become antibiotic resistant. In this lab report‚ we discover the most effective disinfectant that would work best in killing the harmful bacterial strain‚ Bacillus subtilis. KB testing or disc diffusion antibiotic sensitivity testing is measured through the diameter in millimeters to find how resistant the antibiotic to the bacteria. The hypothesis of Windex fell correctly
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Instructor Biology 1111 4-5 Lab Topic 4: Microscopy Elodea Cells at ___X Elodea Cells at ___X Report Sheet—Lab Topic 4 1. Draw and label each of the organisms available. Cheek Cells at ___X Cheek Cells at ___X Name _______________________________ Date_____________ Instructor ___________________________ Section___________ _________________________ 4-6 Lab Topic 4: Microscopy 2. Fill in the following table: Compound Microscope Dissecting Microscope Types of Light Available Powers
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Unknown Bacterium #22 Purpose The purpose of this experiment was to find the identity two unknown bacteria in the given test tube. Materials •Bacterial Loop •Bunsen Burner • Petri Dish with agar •Crystal Violet •Gram’s Iodine •95% Ethanol •Safrin •Glass Slides •Microscope •Unknown bacteria in test tube Procedure On the first day‚ one plate was streaked qualitatively and left it in the
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Introduction The purpose to this lab was to isolate and identify two unknown bacteria from a mixed culture provided to us by our instructor. 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 and how the bacteria function. Materials and Methods Over a two week period‚ eight prepared types of test media were provided to
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own nasal mucus had antibacterial effects--when he left a culture plate smeared with Staphylococcus bacteria on his lab bench while he went on a two-week holiday. When he returned‚ he noticed a clear halo surrounding the yellow-green growth of a mold that had accidentally contaminated the plate. Unknown to him‚ a spore of a rare variant called Penicillium notatum had drifted in from a mycology lab one floor below. Luck would have it that Fleming had decided not to store his culture in a warm incubator
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franciscana are known to live in high salinity lakes that are often basic (Biology 108 Lab Manual 2015). Furthermore‚ A. franciscana feed on photosynthetic phytoplankton which inhabit areas of light availability but are also more susceptible to predation in highly-lit areas (Biology 108 Lab Manual 2015). Also‚ A. franciscana can withstand a broad range of temperature except extreme values may affect survival (Biology 108 Lab Manual 2015). In this experiment‚ the habitat
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Coccus is a term used to describe a type of morphology that helps us distinguish different kinds of bacteria. The cell’s morphology is only one of the many ways we can differentiate the different species. Looking at these bacterium underneath the microscope is an important step to determine which kind of species it is. All cocci bacteria are not gram positive‚ but this lab will examine only this kind because of their influence in human health. Staphylococcus Aureus is a gram-positive coccus bacterium
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Stephen White Biology Lab 11.1 Observations of the spicules of a sponge Supplies Microscope Prepared slide: Sponge Lab notebook Colored pencils Natural Sponges Hypothesis We will learn more in depth about sponges and the complexity of this animal Procedure Set up microscop as instructed in previous expiraments. Place the prepared slide under the microscope. Obeserve under low power and draw what you see in your notebook. This slide shows you the spicules‚ wich make
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Introduction The purpose of this experiment is to see how much bacteria can and will grow in common places in a typical high school. Common places can mean many things‚ including anything from water fountain spouts to computer keyboards. Such objects can hold up to 2‚700‚000 colony forming units per square inch (or CFU/in sq)(NSF). A colony forming unit is the unit used to find an estimate of the number of cells of a bacteria. This unit of measurement is commonly utilized in the subject of microbiology
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