capsular stain was then performed to determine the presence or absence of a capsule. Unknown 45 was positive for capsules. Having determined that U45 was gram-negative‚ there was no need to perform the Schaeffer-Fulton endospore stain‚ which is used detect the presence of endospores in certain gram-positive bacteria. The following metabolic tests were performed on U45 based on instruction given in Microbiology Lab Manual by John P. Harley‚ and by the instructor: 1. Carbohydrate fermentation 2. Sulfide
Premium Bacteria Metabolism Cellular respiration
Lab Report T 1:35 Prof. Clemente Fernandez MCB2010L 11/19/13 Cristina Carvajal Fatima Hussain Nordia Johnson Jessica Rignack Amoeba: It is a unicellular protozoan that lacks a definite shape. Live in both fresh water and marine habitats. Some are found in soil‚ and many have adapted to parasitic life on the body of marine animals or internal organs of both aquatic and terrestrial animals. Amoeba reproduces asexually by binary and multiple fissions. They eat algae‚ bacteria‚ other
Premium Bacteria
used to teach the students how to stain and identify bacteria. There are several types of staining through which the bacteria can be identified based on the color and shape. The staining methods used in the lab are Gram Staining‚ Capsule Staining‚ Endospore Staining‚ and Acid Fast staining. One of the most significant method of staining is the Gram Staining‚ as it is highly dependent (McCarthy‚ 25). In the specific experiment that was done‚ Gram Staining was used and the bacteria that was found was
Premium Microbiology Staining Bacteria
Microbiology Final exam Study reference 1. Gram Stain * Verify if bacteria are present or not. * Controls – positive (purple) – S.aureus negative ( red/pink) – E.coli 2. Endospore Stain Positive controller – B. magneterium Green spore- Positive Pink (vegetative ) – Negative 3. Acid fast Positive control – M. smeagmatis Blue – negative Pink /red- positive 4. Motility Positive control - P.vulgaris A. Non motile is negative test B. Motile is a positive test 5. Carbohydrates
Premium Gram staining Enzyme Bacteria
Chapter 1 1. The scientist usually considered the first to see microorganisms‚ which he called "animalcules"‚ was A) Redi B) van Leeuwenhoek C) Pasteur D) Tyndall 2. The idea of Spontaneous Generation postulated that A) organisms could evolve into the next generation of organisms B) organisms could spontaneously combust C) organisms could spontaneously arise from other living organisms D) living organisms could spontaneously arise from non-living material 3. The work of Tyndall
Free Immune system Bacteria
pollen grain or spore is called an exine. Pollen is an example of trace evidence Through microscopic examination of pollen or spores‚ it is possible to identify a specific plant that produced that pollen or spore With the exception of bacterial endospores‚ pollen and spores are reproductive structures. Spores are produced only by fungi. Flowering plants or angiosperms are the only plants that produce pollen. Pollen and spore identification can provide important trace evidence in solving crimes
Premium Flower Plant Pollen
Chapter 1: Classification and Characteristics of Living Organisms Organisms - An individual living thing‚ such as an animal or a plant‚ is called an organism. There are seven characteristics of living organisms – Nutrition Nutrition is the process by which organisms obtain energy and raw materials from nutrients such as proteins‚ carbohydrates and fats for growth and repair. Photosynthesis is the process of nourishment of green plants. Digestion is the process of nourishment of green
Premium Plant Bacteria Reproduction
Baccilus Megatherium‚ and Staphlococcus Albus. Disinfection is a procedure which destroys‚ inactivates or removes potentially harmful microbes- without necessarily affecting other organisms present; it has generally little or no effect on bacterial endospores. Disinfection often refers specifically to the use of other chemical agents (disinfectants) for the treatment of non-living objects or surfaces. Ideally disinfectants for general use should be able to kill a wide range of common or potential
Premium Bacteria
Cyanophyta (bluegreen bacteria; Chloroxybacteria) Introduction to Cyanophyta I. II. III. IV. V. VI. Some Superlatives: Intro to Cyanobacteria Some Superlatives General Cellular Features Diversity in Reproduction Diversity in Morphology Prochlorophytes • 1st group of algae (3-4 bya) • 1st O2 producers • survive in diverse environments in ice‚ on soil‚ on bark‚ on rocks halophilic‚ thermophilic marine‚ freshwater symbiotic • Nitrogen fixation General Cellular Structure
Premium Cyanobacteria Bacteria Photosynthesis
Micrbio Clicker questions: 1. Organisms that have a prokaryotic cell structure‚ no peptidoglycan in cell walls and unique cell membrane lipids would most likely be: A. Archaea 2. Who first published extensive observations of microorganisms? A. Anthony Von Leeuwenhoek 3. The primary use of Koch’s postulates is to? A. Demonstrate that a disease is caused by a specific microorganism 4. Microscope resolution ____________ as the wavelength of radiation used to illuminate the specimen
Premium Bacteria Archaea DNA