enlargement of limbs (elephantiasis) is caused by the roundworm ________ Shistosoma japonicum. Shistosoma mansoni. Wuchereria bancrofti. Yersinia pestis. None of the above 7. What organism can cause cutaneous infections and can be transmitted by endospores? Staphylococcus aureus Pseudomonas aeruginosa Yersinia pestis Bacillus anthracis Streptococcus pyogenes 8. Which of the following statements is true of infection caused by Yersinia pestis? It can produce enlarged lymph nodes (buboes).
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Introduction To differentiate between bacteria‚ fungi and yeast‚ we plant four different microbes in plates under the same environment for one week and compare the growth of the four microbes by macroscopic and microscopic observation. Meanwhile‚ the diversity of bacteria and fungi in humans‚ the environment and wood could be observed. In addition‚ the four substrates are cultured in two media‚ MEA and NA‚ under the same condition. Thus‚ how nutrients affect the growth of bacteria and fungi could
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Purple Binding Agent- Mordant (Iodine)- Fixes C.V. into Cell Wall of G+ cells Decolorizing Agent- Ethanol- Removes C.V. from G- Cells Counter Stain- Safranin (Reddish Pink)- Stains G- Cells Pink 2. Structural Staining Technique A. Endospore Stain- Differentiates between spores and vegetative cells Primary Stain- Malachite Green (shows spores) Counter Stain- Safranin (shows vegetative cells) B. Capsule Stain- Differentiated between capsule‚ cell and background
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Bacterial Biology █ BRIAN D. HOYLE An understanding of the fundamentals of bacterial biology is critical to bacteriologists and other forensic investigators attempting to identify potential biogenic pathogens that may be exploited as agents in biological warfare or by bioterrorists. Fundamentals of Bacterial Biology Bacteria are one-celled prokaryotic organisms that lack a true nucleus (i.e.‚ a nucleus defined by a membrane). Bacteria maintain their genetic material‚ deoxyribonucleic
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Project 1: Antimicrobial Activity of Soil Isolates John Franklin Farrar Department of Biology and Microbiology and Biology Address BOX 22750 BOWEN HALL‚ RALEIGH‚ NC‚ 27607 Abstract: Isolation and characterization of microorganisms is a practice that aids in Increasing ones knowledge of a laboratory setting and it helps improve on Using sterile technique. Isolates of soil microbes can be categorized and Characterized based on a number of criteria ranging from gram-staining
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today as the whooping cough‚ by isolating it in pure culture. They distinguished the whopping cough agent from the respiratory tract of children (Jules Bordet). B. pertussis is a very small‚ prokaryotic‚ coccoid bacterium‚ which does not make endospores. It is a gram negative bacterium which means the cell structure contains an outer membrane‚ an inner membrane‚ and a thin peptidoglycan layer. It metabolizes through aerobic respiration‚ is nonmotile and an encapsulated microorganism. It appears
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Vocabulary words II: 1. Closed system - a region that is isolated from its surroundings by a boundary that admits no transfer of matter or energy across it 2. Undefined media - basal or complex media 3. Z-streak - is a technique used to isolate a pure strain from a single species of microorganism‚ often bacteria 4. Selective media – a growth medium or culture medium is a liquid or gel designed to support the growth of microorganisms or cells‚ or small plant 5. Differential media -are
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My dream career is being a Dental Assistant. I’m pursuing that by attending LCTI for Dental Technology. As a senior‚ I have realized that all along‚ the dentistry field has been one of my many interests. Now that I am 17 and graduating in the next couples of months‚ I have decided that the Dental Assistant is the career pathway that I am most interested in and would like to pursue further after graduation. Unlike many children‚ growing up as a child I have always enjoyed going to the dentist office
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DNA. The cause of antibiotic resistance. Some bacteria do not have plasmids. Plasmids are not always found in a living thing. Also 1000x less information than eukaryotic. Can be transferred by transcription. -Endospores‚ Bacillus anthracis (anthrax). Page 560. What is within the endospore is the genetic material. Everything else goes into a suspended sleep. The genetic information gets
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Exam 2 Study Guide Bio 202 Chapter 13 Differentiate a virus from a bacterium Describe the chemical and physical structure of both an enveloped and a nonenveloped virus. (Include a description of the envelope‚ capsid‚ and core The nucleic acid of a virus is protected by a protein coat called the capsid. The structure of the capsid is ultimately determined by the viral nucleic acid and accounts for most of the mass of a virus‚ especially of small ones. Each capsid
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