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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Fortina‚ G. Nicastro‚ C. Parini and P.L. Manachini‚ 1998. “Characterization of thermophilic bacilli: A study on new soil isolates and several reference strains”. Research in microbiology 149:711-722 8. Rosario Lagunas‚ 1982. “What is meant by facultative anaerobes?” Biochemical education. 10: 141-142
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Module 03 Quiz Review Sheet Be sure to read and review the Powerpoints for Chapters 1-3 and 5 for the Quiz! Module 1 - Foundations of Microbiology and Lab Safety – Chapters 1 & 2: Know the various classes of microorganisms and unique features and characteristics of each: Bacteria- one of the two domains of prokaryotes; all medically important prokaryotes are in the domain Bacteria. bacteria are single-celled or noncellular spherical or spiral or rod-shaped organisms that reproduce by fission. Protozoans-Group
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The first test conducted on unknown bacteria 32 was the Gram stain. From this stain‚ unknown 32 was found to be a Gram-positive cocci. This test eliminated all possible Gram-negative bacteria‚ Gram-positive rods and Gram-positive spirillium. Next‚ the endospore test determined whether or not the Gram-positive bacteria contained endospores. With the use of malachite green‚ steam‚ and safranin it was found that unknown bacteria 32 did not contain endospores. This eliminated Gram-positive cocci Sporosarcina
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Trillana vs. Quezon College G.R. No. L-5003 June 27‚ 1953 Paras‚ J. • • • • Facts Issue Held Ratio Decidendi Facts • Appellee - NAZARIO TRILLANA‚ administrator • Appellant - QUEZON COLLEGE‚ INC.‚ claimant Facts • Deceased Damasa Crisostomo sent a letter to defendant regarding her subscription to shares of capital stock in QC‚ Inc. • Damasa Crisostomo died on October 26‚ 1948. • As no payment appears to have been made on the subscription mentioned in the foregoing
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BIO 225 – Exam 2 Review Sheet Chapter 9 1. Know the anatomy of the structures that make up the prokaryotic cell. Know their functions. Know any clinical significance each structure might have and if it is a target for antibiotics. (On separate sheet) 2. Know the differences between Gram positive and Gram negative cell walls. * Gram positive cell wall * In addition to many layers of peptidoglycan‚ the cell wall of Gram-positive bacterials cells also contain: * Teichoic
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Microbiology Lab Quiz #2 Study Guide Exercise 9 -- The Gram Stain Compare and contrast simple and differential staining techniques. Simple Staining Simple staining is useful in determining the basic morphology of an organism. Simple staining involves only one reagent i.e. crystal violet‚ basic fuchsin‚ or methylene blue. Simple dyes used to stain bacteria have a positive charge cationic (+)‚ therefore‚ they are attracted to the bacteria that are usually negatively charged anionic (-) Depends
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Chapter 27. BACTERIA & ARCHEA Overview: Prokaryotes thrive almost everywhere‚ including places too acidic‚ salty‚ cold‚ or hot for most other organisms Masters of Adaptation Most prokaryotes are microscopic‚ but what they lack in size they make up for in numbers There are more in a handful of fertile soil than the number of people who have ever lived They have an astonishing genetic diversity Prokaryotes are divided into two domains: bacteria and archaea Structural‚ functional‚ and genetic
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Bacteria Prokaryotic & Eukaryotic Cells 1-7.Bacteria cells reproduce ASEXUALLY BY BINARY FISSION. Asexually means the offspring comes from one parent Draw what Binary Fission of a bacteria looks like: 8. Label the parts of this prokaryotic cell. [pic] 9. Name several structures that are found in eukaryotic‚ but NOT prokaryotic cells. 10. What type of cells are the most numerous on Earth? 11. What are the most common type of prokaryotic cells? 12. How old are the earliest
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carabao’s built serves as a defense or source of security.. Mutualism Mutualism is a biological interaction between two organisms. Most mutualisms are facultative‚ meaning the partners can successfully live apart. However‚ some mutualisms are so intimate that the interacting species can no longer live without each other; they have a mutually obligate interdependence. Examples: As the bee or butterfly sips nectar from the flower‚ pollen gains sticks to their hairy legs and other parts of their body
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