Case Analysis Kaspersky Lab: From Russia with Anti-virus Industry Background: Software Security Cybercrime has become a fast growing concern for the 21st century as businesses‚ institutions and individuals grow into an interconnected web of computer networks. Online business transactions‚ along with the sharing of personal information‚ are vulnerable to a host of disasters that can reap economic and social havoc. Some sources say that today‚ cybercrime costs more than $1.0 trillion to society--Global
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Your Full Name: UMUC Biology 102/103 Lab 1: Introduction to Science INSTRUCTIONS: On your own and without assistance‚ complete this Lab 1 Answer Sheet electronically and submit it via the Assignments Folder by the date listed in the Course Schedule (under Syllabus). To conduct your laboratory exercises‚ use the Laboratory Manual located under Course Content. Read the introduction and the directions for each exercise/experiment carefully before completing the exercises/experiments and answering
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MgSO4 .7H2O‚ 0.2; CaCl2‚ 0.55; NH4Cl‚ 0.4; agar‚ 1.5. A stock solution of the dye was prepared and used for all studies. The sample collected was screened for CV dye decolorizing bacterial strains by inoculating 10 ml of wastewater into flask containing 100 ml of MSM broth. The flasks were incubated at 35°C under shaking conditions (120 rpm). After 48 hr of incubation period‚ 1ml of the culture broth was appropriately diluted and plated on MSM-CV dye amended agar plates. The morphologically distinct bacterial
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DIFFERENT TYPES OF AGAR Mac Conkey‘s Agar plate MacConkey (also McConkey) agar is a culture medium designed to grow Gram-negative bacteria and stain them for lactose fermentation. It contains bile salts (to inhibit most Grampositive bacteria‚ except Enterococcus and some species of Staphylococcus)‚ crystal violet dye (which also inhibits certain Gram-positive bacteria)‚ neutral red dye (which stains microbes fermenting lactose)‚ lactose and peptone. QUALITY CONTROL Results after 24 hrs at
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Title Antimicrobial properties in different type of plants. Introduction A substance that kills or prevents the growth of microorganisms for example bacteria‚ fungi or protozoans is called an antimicrobial. This substance has 2 major roles which are to either kill microbes (microbiocidal) or prevent the growth of microbes (microbiostatic). Disinfectants are antimicrobial substances used on non-living objects outside the body. This substance included antibiotics‚ antifungals‚ antiprotozoals and
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Chloe Lindbom Regeneration of a Planarian Over Time Erin Davis Biology Mrs. Werfelman 5th Hour 10/09/2014 10/20/2014 Background: The planarian‚ also known as the flatworm‚ is a creature that live all over land‚ oceans‚ and freshwater. (Biggs‚ A.‚ Gregg‚ K.‚ Hagins‚ W.‚ Kapicka‚ C.‚ Lundgren‚ L.‚ Rillero‚ P.‚ 2002) The planarian has a threebranched digestive cavity. (Alvarado‚ 2004) Planaria range from 1/8 to 1 inch. (Alvarado‚ 2004) The planarian can be cut into many pieces and each piece will grow
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3DIFUSSION IN AGAR CUBES – LAB REPORT Research Question: What is the effect of surface area on volume ratio on the rate of diffusion of pigment from the agar cube measured by percentage volume of diffusion over time? Background Research: Diffusion is the passive movement of molecules or particles along a concentration gradient‚ or from high to low concentration regions. Essential towards living organism’s functions‚ as it describes how the nerve cells are able to communicate with each other‚ through
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Diffusion In Agar Cubes Is Bigger Better? OR Is Smaller Smarter? Adapted from Flinn Scientific Publication No. 10110 Introduction: Diffusion is one of the very important processes by which substances such as nutrients‚ water‚ oxygen‚ and cellular wasted are transported between living cells and their environment. This activity will help you explore the relationship between diffusion and cell size by experimenting with model “cells.” In this experiment‚ you will use agar cubes to which
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Tetracycline and Chloramphenicol against Serratia marcescens By C. A. Bechdel Abstract The problem investigated was Serratia marcescens. We hypothesized that both Tetracycline and chloramphenicol will be effective against treating S. marcescens. The experiment was conducted with a single control group and two experimental groups. The experiment was replicated 8 times. The experiment showed that in testing the control group S. marcescens‚ chloramphenicol had a mean death zone of 30.9 mm +/- 2
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investigated compounds were dissolved in DMSO at 10 and 20 mg ml-1‚separately [19‚21‚25‚27‚34]. Nutrient agar was prepared‚ then sterilized in an autoclave and poured in sterile Petri plates. After cooling of nutrient ager in Petri plates‚ the studied organisms were grown on agar. After that‚ the sterili Paper discs of Whatman saturated with solution of investigated compounds were placed in the agar by working holes using a sterile crook borer. These Petri dishes were incubated for 24 h at 37oC [25]
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