MBK – Lab Report Name: Katie Nave Bacterial Morphology Part 1: Viewing Prepared Slides of Common Bacterial Shapes Familiarize yourself with each morphological type to use as a comparative tool for the remainder of the activity. Record your observations. Part 2: Disinfecting Your Area to Use Live Organisms : Part 3: Viewing Live Organisms – Wet Mount Preparation Record your observations. It was hard to tell what I was looking at. There were a number of amoeba shaped cells of varying sizes
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Bacteria Morphology April 2‚ 2015 Abstract – The Purpose of this exercise is to gain experience in bacterial morphologies in prepared wet-mounted slides and interpreting the findings of bacteria through direct and indirect staining technique. Hypothesis – The experiment will allow for further insight into stained organisms‚ allowing extended contrast‚ differentiating shape and structure through utilization of microscope. Procedure – Instructions followed as per procedure‚ specimens
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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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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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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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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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The following show expected colony appearances and morphologies (shapes) of Escherichia coli and Staphylococcus aureus. Note characteristics such as edges‚ color‚ and whether the colonies are rough or smooth in texture. For colony appearances of E. coli and S. aureus‚ scientists often describe what they look like on agar. This is not the microscopic view (for example‚ as with a slide) but a “naked eye” view of how the bacterial colonies look while growing on a medium. (This is one type of culture
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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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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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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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