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Slide 1
Slide 1

... repeats of N-acetylglucosamine and Nacetylmuramic acid, with the latter cross-linked between strands by short peptides. Many sheets of peptidoglycan can be present, depending on the organism. • Archaea lack peptidoglycan but contain walls made of other polysaccharides or of protein. The enzyme lysoz ...
Biology of Composting
Biology of Composting

... in temperatures of 40-93 C (104-200 F). They work fast, and last only about three-five days. But what three-five days! In that time, they turn green, gold, and tan organic material into a uniform deep brown. If the pile is fed new organic matter or turned at a strategic time, the thermophilic action ...
Ch 7 Control of Microbial Growth
Ch 7 Control of Microbial Growth

... • Antisepsis: disinfection of living tissue • Sepsis: refers to microbial contamination. • Aseptic surgery techniques prevent microbial contamination of wounds. ...
sylabus - Medical University of Lodz
sylabus - Medical University of Lodz

... bacteria, preparation of pure cultures. Sterilization and disinfection techniques. The indigenous human bacterial flora, bacteria in environment. General microbiology – Morphology of bacterial cell, staining procedures for bacteria. General microbiology – Identification and classification of bacteri ...
ANTIBIOTIC`S SENSITIVITY IN PATIENT`S DIABETIC FOOT
ANTIBIOTIC`S SENSITIVITY IN PATIENT`S DIABETIC FOOT

... choose the right antibiotic, it needs to test the antibiotic’s sensitivity towards Pseudomonas aeruginosa. The aim of this study is to determine the sensitivity of antibiotics against Pseudomonas aeruginosa. Sample used was taken from diabetic ulcers swab with grade III and IV Wagner. The identifica ...
Growth Curve (four phases)
Growth Curve (four phases)

... Nitrogen fixation: The ability to assimilate N2 reductively via NH3. This process requires a large amount of metabolic energy and is readily inactivated by oxygen. It is a property unique to prokaryotes, especially in divergent bacteria, that have evolved quite different biochemical strategies to pr ...
Transport of Viruses, Bacteria, and Protozoa in Groundwater
Transport of Viruses, Bacteria, and Protozoa in Groundwater

... Public Health Problem Microbial Perpetrators viruses bacteria protozoa ...
Lec #6 - University of San Diego Home Pages
Lec #6 - University of San Diego Home Pages

... Look like bacteria but more closely related to eukaryotes ...
scope and history of microbiology
scope and history of microbiology

... disease was caused by a fungus.  1865: Pasteur believed that another silkworm disease was caused by a protozoan.  1840s: Ignaz Semmelweiss advocated handwashing to prevent transmission of puerperal fever from one OB patient to another. ...
Chapter 1 Art Slides
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PROKARYOTIC CELL STRUCTURE AND FUNCTION

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Section 12.1 Identifying the Substance of Genes
Section 12.1 Identifying the Substance of Genes

... Griffith reasoned that some chemical factor was transferred from the S strain to the R strain. He called this process transformation, because one type of bacteria had been changed permanently into another. Because the ability to cause disease was inherited by the offspring of the transformed bacteri ...
A1989AE64700001
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... years I was mainly concerned with deaminase systems, the conditions under which they were formed, and the properties of the enzymes concerned. The early literature on “putrefaction” included many references to the production of amines by bacteria, but this did not occur in our work with washed suspe ...
simple positive stain with three easy to find dyes - Microscopy-UK
simple positive stain with three easy to find dyes - Microscopy-UK

... microscopes intended for students, enthusiasts or professionals such as vets or physicians come with this kind of illumination system. If we want something more special, well there are other illumination techniques. This article is related to brightfield microscopy because the samples are observed w ...
Sacred Balance Chapter 4 and Bonney Woods
Sacred Balance Chapter 4 and Bonney Woods

... Fertilizers contain nitrates to enhance plant growth and are added directly to the soil Atmospheric Nitrogen (N2) can be converted to Nitrite (NO2) by the enormous energy from lightening. The lightening breaks the nitrogen molecules and enables their atoms to combine with oxygen in the air forming n ...
Document
Document

... disease was caused by a fungus.  1865: Pasteur believed that another silkworm disease was caused by a protozoan.  1840s: Ignaz Semmelweiss advocated handwashing to prevent transmission of puerperal fever from one OB patient to another. ...
SOLVE THESE DOUBLING TIME PROBLEMS
SOLVE THESE DOUBLING TIME PROBLEMS

... 4. One (1) bacterium, which divides in half to double its population once per minute, was placed in a test tube with an appropriate bacterial environment. After 59 minutes the test tube was ½ full. a. When would it be expected to fill the tube? ...
Prokaryote Structure A prokaryote is a unicellular organism
Prokaryote Structure A prokaryote is a unicellular organism

... prokaryotes have a cell wall, a cell membrane, and cytoplasm. The bacterium below is one example of a prokaryote. Follow the prompts to locate structures in a typical bacterium. • Color the cell membrane yellow. • Color the cell wall blue. • Color the flagella red. • Color the pili orange. • Color t ...
Lesson 3Control of Microbial Growth
Lesson 3Control of Microbial Growth

... • Bacteria have four distinctive growth phases – Lag—intense activity preparing for population growth but has little to no increase in population – Log—(logarithmic growth) period of growth where cellular reproduction is most active – Stationary—growth rate slows. Number of bacterial death balances ...
Full Text - Ibrahim Medical College
Full Text - Ibrahim Medical College

... As we approach the end of first decade of 21st century, it is now time to seriously reconsider the hopes and zeal that transpired in the thirties and forties of the last century with the discovery of antimicrobials like sulfa and penicillin. These magic bullets saved millions of lives from deadly in ...
Molecular mechanisms of Escherichia coli pathogenicity
Molecular mechanisms of Escherichia coli pathogenicity

... Pathogenic forms of E. coli can cause a variety of diarrhoeal diseases in hosts due to the presence of specific colonisation factors, virulence factors and pathogenicity associated genes which are generally not present in other E. coli. ...
Department of Microbiology hosts DAPI Symposium
Department of Microbiology hosts DAPI Symposium

... researchers based in University College Dublin and in Trinity College Dublin with an interest in infection biology. This year’s event saw more than 75 researchers attended the meeting. The keynote speaker was Dr. Suzan Rooijakkers from the University Medical Center Utrecht, The Netherlands. Suzan de ...
Biol 179 Study Guide Exam 1
Biol 179 Study Guide Exam 1

... 6. ______ organisms are divided into two kingdoms, Archaebacteria and Bacteria. 7. Systematists often use molecular data in a type of analysis called c__________, the study of the order of evolutionary events within a group sharing derived characters. 8. All viruses contain ___ and _____. 9. Nucleic ...
Essential Oils, the Answer to Antibiotic Resistance?
Essential Oils, the Answer to Antibiotic Resistance?

... mix of molecules all different Longitude Prize, which is Podcast. Lots of opportunities shapes and sizes, right down to offered for a significant were forthcoming, including an very small volatile compounds. invitation to the University of development in the As we don’t know which actual molecules a ...
Basic Principle of Microbiology
Basic Principle of Microbiology

... - Bacteria can survive and, grow in hostile environments in which the osmotic pressure outside the cell is so low. - Bacteria have evolved their structures and functions to adapt to these conditions. ...
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Bacterial morphological plasticity

Bacterial morphological plasticity refers to evolutionary changes in the shape and size of bacterial cells. As bacteria evolve, morphology changes have to be made to maintain the consistency of the cell. However, this consistency could be affected in some circumstances (such as environmental stress) and changes in bacterial shape and size, but specially the transformation into filamentous organisms have been recently showed. These are survival strategies that affect the bacterial normal physiology in response for instance to innate immune response, predator sensing, quorum sensing and antimicrobial signs.
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