Catalysis

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    There are thousands of diverse amylase and each has different optimal temperatures in which they complete their reaction faster and for this case the percentage used was 1% bacterial amylase and 3% Fungal was used. In order to find the optimal temperature we had to conduct an experiment on this two amylases. By observing the effect temperature has on the amylases we found the optimal temperature. As the temperature increases the reaction the amylase is undergoing increases therefore the…

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    Enzyme Lab

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    The objective of this lab was to see how enzymes were used, use the scientific method, and how enzymes are affected by temperature. Introduction Proteins which constitute enzymes in their final form are macromolecules that make up large amounts of living organism which are called polymers which are made up of many different monomers. An enzyme is a biological catalyst that increases the rate of a reaction by lowering activation energy. Activation energy that the enzyme uses id an energy barrier…

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    The results of the lab show the decomposition rate of H2O2 at various amounts of KI, H2O, and H2O2. In addition, the effect of temperature on the rate of the reaction can also be seen in the results. Figure 1 Figure 2 `Figure 3 Figures 1,2 and 3 represent the results obtained from the keeping the amount of KI constant and varying the amount of H2O2 and water. It can be seen that when H2O2 is doubled (Figure 1 to Figure 2) the rate is also doubled from 0.0368 mL/s to 0.0723 mL/s. When the…

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    Liquefaction and gasification in supercritical water (SCW) are two processes for transferring substances into liquid and gaseous fuels, which is special for high moisture substances6. Supercritical water, which is serve as the solvent and the reactant in these reactions, mainly decreases mass transition restrictions in ambient condition water; therefore, it helps to accelerate the chemical reactions largely9. However, the vaporization of water along with raw materials is required by traditional…

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    Pink/Gold Melanin

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    Figure 1 shows a set of data that was collected to show the affect of time on the production of pink/gold melanin. The pink/gold melanin is absorbed in a spectrophotometer set at 475nm, which reflects the activity rate of polyphenol-oxidase. Polyphenol-oxidase is found in the potato extract in phosphate buffer ph6, which influences the production of melanin due to the interaction of 0.1% catechol and phosphate buffer pH6. The purpose of the phosphate buffer pH6 is to mimic the cell’s cytoplasm.…

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    Assay Lab Report

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    For part 2 of the experiment (please refer to next page for Figure 3), Figure 3 shows a graph comparing the absorbance readings of the Glutamate-pyruvate aminotransferase serum with the time in minutes. A similar rate was predicted to occur for both the assays done. This would be characterized by the readings showing two parallel lines on the graph. However, the two first readings did not demonstrate this. This could possibly be due to different and insufficient amounts of NADH+ being added to…

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    The hypothesis for the experiment is that if the temperature and pH increases (but not past optimal levels), and the higher concentration of amylase, then it will result in faster rates of enzyme activity. Therefore, if the opposite were to occur, then the reaction will slow down and not function properly. For concentration, my hypothesis was proved to be correct. The undiluted solution had higher frequencies of collision at the active site of the enzyme and substrate. Which means the percent of…

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    The purpose of this experiment was to examine the effects of different types of enzymes on different substrates, and how pH influences the ability of enzymes to breakdown proteins. Starch and albumin were used as the substrate to test the enzymes amylase, pepsin, trypsin, and unknown enzyme T. Lugol’s solution was used to test for the presence of undigested starch, while Biuret solution and Ninhydrin solution were used to test for the presence of undigested protein and amino acids respectively.…

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    In non-competitive allosteric inhibition, inhibitor molecules bind to an enzyme at the allosteric site. Their binding induces a conformational change that reduces the affinity of the enzyme's active site for its substrate. The binding of this allosteric inhibitor changes the conformation of the enzyme and its active site, so the substrate is not able to bind. This prevents the enzyme from lowering the activation energy of the reaction, and the reaction rate is reduced. However, allosteric…

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    Enzymes are protein molecules that occur in all living things on earth and enable chemical reactions. Enzymes not only provide an alternate pathway for a chemical reaction, with a lower activation energy, they also bring substrates together in an optimal orientation, thereby speeding up the rate of reaction (Slide Share 2016). In an enzyme catalyzed reaction, the substrate (reactant) binds to the active site and forms and intermediate substance known as the enzyme-substrate complex with the…

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