Associate Program Material Levels of Life Worksheet Complete all three parts of this worksheet. Part I: Atomic Structure – Fill in the missing information on atomic structure and organic compounds. |Atomic Structure | |Subatomic Particle |Charge |Location in an Atom | |Proton
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able to observe motility? Carbohydrate Fermentation Testing Questions A. What is fermentation? B. Why is it important not to incubate the fermentation tubes beyond 24 hours? C. Why is phenol red added to the fermentation tubes? D. Why do bacteria have differences in the carbohydrates they can ferment? E. Why does the formation of yellow color indicate fermentation? F. What information can be gained by running a fermentation series on a particular microbe? G. What does a dark pink or red
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Application of lactic acid bacteria There are four major categories for the current uses and applications of LAB: food‚ cosmetic‚ pharmaceutical‚ and chemical applications. In food industry Recent years the interest increased in using LAB by using bacteriocin-like inhibitory substances (BLIS) because of their potential use as a natural antimicrobial agent to enhance the food safety of food products and increase the nutritional values of the food. Foods that fermented by LAB such as cheese
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CHAPTER 4: THE ORGANIZATION OF LIFE VOCABULARY LIST DEFINE THE FOLLOWING TERMS FROM THE GLOSSARY: ECOSYSTEM: a community of organisms and their abiotic environment. BIOTIC FACTOR: an environmental factor that is associated with or results from the activities of living organisms (100) ABIOTIC FACTOR: describes the non-living part of the environment‚ including water‚ rocks‚ light‚ and temperature. ORGANISM: a living; anything that can carry out life processes
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Top 20 Most Active Viruses Conficker.C • Conficker.C is a worm. Designed to spread by exploiting a vulnerability in the Windows Server Service which allows remote code execution. It is the vulnerability MS08-067. • It disables the following services: • Windows update‚ disabling the Windows updates. • BITS (Background Intelligent Transfer Service)‚ which is a service to transfer Windows files. • Error reporting service‚ which allows to send Microsoft information about errors occurring in the
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of a Gram positive coccus genus of bacteria. Several biochemical tests will be performed to aid in the identification of this unknown bacterium. Biochemical tests are a series of tests used to identify certain bacterium The various tests that are used in this lab are the catalase test‚ oxidase test‚ blood hemolytic test‚ MSA‚ blood agar‚ and PEA/ab sens test. A known Gram positive coccus bacteria will be used alongside an isolated Gram positive unknown bacteria for comparison to aid in the ability
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Virus vs. Bacteria Similarities – Virus vs. Harmful Bacteria Virus and Bacteria are similar. But yet they are different. Viruses and bacteria can make copies of themselves once they are inside a living organism (“J. L.”). They are both harmful bacteria and viruses. These bacteria and viruses can be helpful to the body. All diseases that people get are from virus and bacteria( Microbe Magic). Bacteria and virus are both microscopic organisms that have the same brain structure that why they are called
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INTRODUCTION The enzyme catalase converts hydrogen peroxide (H2O2) to water and O2. The evolution of O2 causes bubbling. Thus‚ catalase-positive organisms that are mixed into hydrogen peroxide will cause bubbling (catalase-negative organisms will not). This test is good for distinguishing between Gram-positive cocci in chains (catalase negative) versus Gram-positive cocci in clusters (catalase positive). The coagulase test is used to differentiate Staphylococcus aureus from coagulase-negative
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10 Worst Computer Viruses of All Time Computer viruses can be a nightmare. Some can wipe out the information on a hard drive‚ tie up traffic on a computer network for hours‚ turn an innocent machine into a zombie and replicate and send themselves to other computers. If you’ve never had a machine fall victim to a computer virus‚ you may wonder what the fuss is about. But the concern is understandable -- according to Consumer Reports‚ computer viruses helped contribute to $8.5 billion in consumer
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maliciously by destroying or corrupting data. If the infected software is transferred to or accessed by another computer system‚ the virus spreads to the other system. Viruses have become a serious problem in recent years‚ and currently‚ thousands of known virus programs exist (Reed 85-102). Three types of viruses are a boot sector viruses‚ file virus‚ and Trojan horse virus. A boot sector virus infects the boot program used to start the system. When the infected boot program executes‚ the virus is
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