LOVELY PROFESSIONAL UNIVERSITY CAPSTONE PROJECT REPORT TOPIC- ANTIMICROBIAL ACTIVITY OF DIFFERENT TYPES OF HONEY. PROJECT GUIDE- SUBMITTED BY- DR. AKSHAY GARG MOHIT KUMAR DEPT. OF BIOTECHNOLOGY REG. NO.- 10800037 ROLL NO- RB1R07B02 B.TECH BIOTECH.(8th sem.)
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soup (1 point) water (1 point) gelatin (1 point) unknown 1 (1 point) unknown 2 (1 point) unknown 3 (1 point) unknown 4 (1 point) Report the results from the catalase test. (3 points) Liver Catalase present? Yes/No (1 point) Roast Beef Catalase present? Yes/No (1 point) Student supplied meat (provide name of meat): Catalase present? Yes/No (1 point): List the pH for each substance tested. (5 points) vinegar (1 point) shampoo (1 point) lemon juice (1 point) distilled water (1 point)
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Enzymes An enzyme is a protein used to speed up the rate of a chemical reaction. Because they regulate the rate of chemical reactions‚ they are also called catalysts. There are many‚ many different types of enzymes‚ because for each chemical reaction that occurs‚ an enzyme specific to that reaction must be made. To act on a substrate‚ an enzyme must contain an active site. The active site is the area on the enzyme that allows the substrate and enzyme to fit together. The amino acids that are present
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Preparing students for exams Exams Biology B2‚ Chemistry C2 and Physics P2 papers for pupils studying Additional Science Biology B2 and B3‚ Chemistry C2 and C3 and Physics P2 and P3 for pupils following the triple science course. All exams 1hr and contribute 25% each The controlled assessment accounts for 25% of each qualification Top Tips for Success in Science! Use revision guides/ exercise books and make revision notes/cards on the areas that need to be learnt
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Microaerophilic require O2 from growth but they are damaged by normal atmospheric levels of oxygen and don’t have efficient ways to neutralize the toxic forms of oxygen such as superoxide ad hydrogen peroxide. Obligate anaerobes will die in the presence of oxygen because they lack enzymes like superoxide dismutase and catalase. Light: vital for
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Identifying the Unknown Bacteria: Bacillus cereus Brittany Moy Coastline Community College Abstract Bacillus cereus is a Gram-positive‚ facultative aerobic‚ spore-forming‚ rod-shaped bacterium that is widely distributed among the environment. Introduction The reason for identification of unknown bacteria was to help students recognize different bacteria through different biochemical tests and characteristics. This is important in the medical field because identification of unknown bacteria
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environmental conditions to survive. These toxic molecules are known as free radicals that contain an unpaired electron on the outer orbit (Proljsak et al.2013). Some examples of free radicals that can be found in the cell are superoxide (O2-)‚ hydrogen peroxide (H2O2) and even reactive metals like copper and iron. These free radicals are produced based on the environment the individuals are exposed to. For instance the energy generated when cells discompose food‚ the inhalation of oxygen‚ when the
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species (ROS) include super oxide ion (O2-)‚ hydrogen peroxide (H2O2) and hydroxyl radical (HO- ) are the causative agents to produce oxidative stress. ROS are produced by two independent pathways: mainly the mitochondrial oxidative metabolism and cellular responses to bacterial invasion‚ xenobiotic and cytokines. To counteract the formation of ROS‚ a number of antioxidant proteins have been described. These proteins are superoxide dismutase‚ catalase‚ glutathione peroxidase‚ glutathione S-transferase
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Lead is a metal that occurs naturally in the earth’s crust‚ but human activity‚ such as mining‚ burning fossil fuels and manufacturing‚ has caused it to become more widespread. This element‚ however‚ has no known purpose that can be beneficial for humanity. Rather‚ it is an extremely harmful chemical that can cause serious damage and even potentially death when at high concentrations. Events‚ like the one in Flint‚ Michigan‚ where shortcuts by the government caused serious lead poisoning in the town
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eliminate more bacteria including E. Coli. This confirmed our results along with the negative results for the Indole test and the Sulfur reduction test (Figure 6). What ultimately led to our conclusion after comparing our results was the positive catalase test‚ which indicated that we in fact isolated the bacteria and got results that confirmed that one of our bacteria was in fact Staphylococcus aureus and one was not‚ and with the other tests eliminating a vast majority of the bacteria we were able
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