forms of cocaine. Crack cocaine get its name from the cracking sound it makes during the process of smoking the ‘rock’. This process of transforming cocaine makes crack cocaine one of the most highly addictive drug available on the streets today (Agar‚ 2003). Cocaine is usually snorted through the nostrils and the effects‚ or high‚ will begin within 8-10 minutes of ingestion; however crack can be smoked from a pipe or free based out of a spoon‚ and a user can receive effects from the drug immediately
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The Effect of Srb-16 and F35B1.3 RNAi Gene Treatment on Chemosensation in Caenorhabditis elegans through Observation of Chemotaxis. Abstract: The study of sensory systems in humans is a vital area of study to further pursue our knowledge of the mechanisms occurring in the nervous systems. However due to the complications surrounding human testing‚ model organisms such as C. elegans worms can be utilized as a comparison to create paradigms relevant to human sensory systems as the genetic basis
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were repeated with a sample with healthy tissue. • These solutions were then poured into separate wells o a sodium polypectate solution agar plate along with two controls of PG and boiled PG. • This was left for incubation at 37C for 24 hours. • The plates were then flooded with 2m HCL to precipitate any sodium polypectate out of solution. • The agar plate was examined against a dark surface to measure any zones of clearance around cell wall. Sometimes known as Brown Rot‚ Monilinia
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coli (yellow) Red- no color change – negative test Yellow – color change – positive test 6. MaConkey’s Agar Positive control - E.coli Selective for negative gram stain . Differential for organism that could ferment lactase Growth pink – positive No growth – negative 7. Gelatin Hydrolysis ( Gelatinase) Positive control – P.aeruginosa Liquid –positive test Solid - Negative test 8. Blood agar Positive control – S. aureus A. Betahemolysis B. alphahemolysis C. gammahemolysis 9. FTM *broth –
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stained and cell visualized by making use of contrast difference between backgrounds and cells‚ it is called negative staining. Simple staining Salmonella anatum obtained from liquid broth and agar plate was stained with methylene blue‚ safranine and crystal violet dyes respectively. Sample taken from agar plate is much more concentrated than sample from broth. We expected to observe the rod-shape for these bacteria and see that this is actually rod-shaped. Some parts of prepared smears were difficult
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will be done to determine the species of bacteria. It is predicted that Pseudomonas syringae will be the pathogenic bacteria. Materials and Methods: The bacteria from a rotten tomato was streaked on nutrient agar plate. The different colonies were then isolated and grown on nutrient agar slants. Slices of healthy tomato were inoculated using the grown bacteria (one type of bacteria per slice) and‚ there was a control which was not inoculated. The slices of tomatoes were allowed to incubate but
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plasmids and arabinose. -The purpose to bacterial transformation is to insert DNA into bacteria to change it’s traits. Materials: Quantity: E. coli starter plate 1 Poured agar plates 4 Transformation solution 1 LB nutrient broth 1 Inoculation loops 5 Pipets
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followed when writing scientific reports. Scientific writing is typically written in the passive voice. The pronouns "I"‚ "We" and "They" are not typically used.. For example‚ instead of writing "I used a TSA agar plate to isolate my unknown‚" it is customary to write‚ "A trypticase soy agar (TSA) plate was used to isolate the unknown." It is also customary to write in the past tense for most of the report. This includes the introduction‚ the summary‚ the description of the materials and methods
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plants and Chang (1993) reported that the world mushroom biodiversity counts 1.5 million species. Summary Abstract 1_ Prior knowledge A) Bacteria 1) Salmonella 2) Shigella B) Salmonella Shigella Agar C) Moringa Oleifera a very useful tree D) The solar disinfection with PET bottle 2_ Study of different methods to purify water A) Water filtration 1) Study of filtration system with simple and usual things 2) Study of flocculation with Moringa
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GROUP No.: | DATE: 02/14/13 | | NAME: | | EXPERIMENT No.25BACILLUS: Diagnostic Tests | | ASCOLI’S THERMOPRECIPITIN TEST Purpose: used to identify anthrax bacilli in animal hides and meat. Principle: This test was designed to detect B. anthracis antigens in the tissues of animals being utilized in animal by-products and thereby to reveal when these products contained ingredients originating from animals that had died of anthrax. The thermostable antigens involved are common to other
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