MISEP Chemistry 512 – Jacobs Enzyme Catalyst Lab - Formal Report – August 8‚ 2007 ABSTRACT This investigation examined what would happen to the rate of an enzyme-catalyzed reaction if the concentration of substrate changed. We hypothesized that if the concentration increased‚ then the reaction rate would also increase. To test our question‚ we varied a combination of substrate and buffer‚ totaling 6mL‚ with a constant amount of 2 drops of catalyst. The enzyme catalyst‚ peroxidase‚ increased
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Effect Of Enzyme Concentration On Enzyme Activity The pancreatic duct in individuals who have cystic fibrosis frequently becomes blocked‚ reducing or preventing the release of pancreatic enzymes into the small intestine. The aim of this activity is to investigate the effect of a reduction in enzyme concentration on the rate of reaction‚ in this case the breakdown of protein by protease enzymes. Aim – Milk powder contains a white protein called casein. A white suspension of milk
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Unit 3. Assignment 1: Bacterial Growth Rates 1. Mediums that could be used to determine shigellosis include Btilliant Green Agar‚ and Triple Sugar-Iron Agar. Expected results in a confirmed case of shigellosis are as follows: Brilliant Green Agar – Isolated Shigella colonies which do not ferment lactose or sucrose and appear red or white in color with no growth to trace growth on the Agar plate will be present. Triple Sugar-Iron Agar – Presence of Shigella will manifest as a red slant with
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When thirsty‚ nothing is as refreshing as a cool glass of water. So you reach out for that glass of water‚ but what if you paused to think about what you are just about to drink. Water is vital for our health and well being‚ it constitutes about two-third of our body and the innumerous benefits and importance make it a non-negotiable part of our lives. At the first glance and sniff we know if the water looks clean and odorless then comes the question of microbial contamination‚ something the naked
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Mixtures - Solutions‚ Colloids and Suspensions The table below compares solutions‚ colloids and suspensions. | |Solutions |Colloids |Suspensions | |Appearance |Clear‚ transparent and homogeneous |Cloudy but uniform and homogeneous |Cloudy‚ heterogeneous‚ at least two | | |
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to Clarisse’s question: “Have you ever read any of the books you burn?” 5. What do Clarisse and Montag argue about? What does Clarisse tell Montag that firemen used to do? 6. Explain the significance of Clarisse’s speech about “blurs.” Why are billboards 200 feet long? 7. Why was Clarisse’s uncle arrested? What does this indicate about the society in which they live? 8. What question finally offends Montag? 9. What does his encounter
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the chemical and physiological properties of this particular enzyme and determined whether the lactase came from human cells or bacterial cells. In the statistical analysis statistical formulas and techniques are used to analyze the significance of a set of data and the validity of the conclusions made based on that data. These are some terms and definitions that will be crucial to understanding the validity of this experiment. An enzyme is a protein that acts as a catalyst to lower the activation
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Why do you think some people harass or intimidate others? I think that people harass/intimidate others because they might think it’s funny or cool. Also‚ they do it so they can feel better about themselves. Some people harass and intimidate others because they think it’s ok to do it. They do it to people who seem vulnerable to them or have a disability. Other people that have grown up with harassment or violence think it’s normal to treat people like that. Some people
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Do you think that the government should provide gas money for college students? For many years there has been a debate about providing gas money to college student. Some people think that they should provide gas money to college students while other people thing that they shouldn’t. However‚ I believe that they should provide gas money to students because some students come from a low income family and they are not able to attend to school. First of all‚ I think that providing gas for college
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Discovery Restriction enzymes were discovered 40 years ago during investigations into the phenomenon of host-specific restriction and modification of bacterial viruses. Restriction enzymes protect bacteria from infections by viruses‚ and it is generally accepted that this is their role in nature. They function as microbial immune systems. When a strain of E. coli lacking a restriction enzyme is infected with a virus‚ most virus particles can initiate a successful infection. When the same strain
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