Topic 2- Pages 38-39 1a. A is a substrate for the enzyme as it has the complementary shape to fit into it. 1b. The non-competitive inhibitor decreases the RoR as it binds to somewhere else than the active site and then causes the active site to change shape meaning the substrate is no longer complementary so it wouldn’t bind together. 1ci. Peptide 1cii. The 35 and 52 amino acids are held close to form the active site due to the tight folding of the polypeptide chains 2ai. There will be
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SBI4U – CHAPTER ONE TEST – PART A – Multiple Choice 1. Which of the following is the essential characteristic of a polar molecule? a) contains double or triple bonds b) is formed at extremely low temperatures c) contains ions as part of the structure d) has an asymmetrical distribution of electrical charge e) contains the element oxygen 2. Isomers are molecules that a) react readily with one another b) have the same molecular formula c) have different molecular masses d) differ
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s−1 and 272 kJ/mole‚ respectively. Calculate the values of ∆S ◦‡ ‚ ∆H ◦‡ ‚ and ∆G◦‡ at 300 K. 7. [20 points] An enzyme-catalyzed reaction (KM = 2.7 × 10−3 M) is inhibited by a competitive inhibitor I (KI = 3.1 × 10−5 M). Suppose that the substrate concentration is 3.6 × 10−4 M. How much of an inhibitor is needed for 65% inhibition? How much does the substrate concentration have to be increased to reduce the inhibition to 25%? Constants R = 8.314 J-K−1 -mol−1 N0 = 6.022 × 1023 mol−1
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Enzymes- reduce the amount of energy required for the reactions they catalyse [accelerate]. -thus‚ increasing the rate of reactions that occur in living organisms. WITHOUT enzymes : metabolism would be so slow at body temp. that insufficient energy would be available to sustain life. -Many enzymes are “Intracellular”- used within the cell that produced them e.g. enzymes in respiration & photosynthesis -Others are “extracellular”-they act outside the
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Wild Cards II Aces High Some see evil and some see power in something destined to destroy our world. Wild Cards II Aces High is multiple short stories written by multiple authors. It is edited by George R.R. Martin and is 498 pages. My favorite story was Half Past Dead by John J. Miller. I chose this book because I loved the prequel‚ Wild Cards‚ and I enjoy books with multiple authors. I believe that multiple authors give more interesting twists and values in a book. Setting- It’s now the
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was to determine the effect of temperature on the rate of enzyme activity. Part 4: Effect of enzyme inhibition Purpose: the purpose of this part of the lab was to find the effect of an inhibitor on enzyme activity. Questions for Report 1. A. The enzyme of the reaction is the catalase. B. the substrate of the reaction is H2O2. C. The product of the reaction is 2H2O2+O2. D. the gas produced during the reaction is oxygen and
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Ace in the Hole Book Review by:Alexandre Meirelles Original Author: John Updike Summary rating: 4 stars (7 Ratings) Visits : 1411 words:600 More About : john updike "ase in the hole’’ Ace Anderson is a former star high school basketball player. As the story opens‚ he is driving home after being fired. Fearing the wrath of Evey‚ his wife‚ he finds some consolation in listening to "Blueberry Hill" on the car radio‚ while he sucks powerfully on a cigarette. Reverting to adolescence‚ Ace
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HIV and Mother to Child Transmission Introduction In the past mother-to-child transmission of HIV was the cause of death for nearly all of the children that had been diagnosed with the virus before the age of 13. This paper will discuss the causes of mother to child transmission and preventative measures in place to reduce the risk for children with mothers that are HIV positive. Mothers living in third world countries will likely have a much greater risk of transmission because they simply do
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Paediatric HIV/AIDS in India . According to National AIDS Control Organization 2007 estimates ‚out of an estimated 2.31 million people with HIV and AIDS in India‚ women constitutes 39% and children below 15 years stands at 7.8% Improved access to Anti-Retroviral Therapy (ART) centres is key to fight against HIV/AIDS. It is important to design and implement intensive child-focused IEC separately targeting rural and urban population through an appropriate mix of media.It is also important
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September 12‚ 2013 PRACTICAL NO: - 6 AIM: - To perform visual screening of Acetazolamide molecule THEORY: - iGEMDOCK - A Graphical Environment for Recognizing Pharmacological Interactions and Virtual Screening Pharmacological interactions are useful for identifying lead compounds and understanding ligand binding mechanisms for a therapeutic target. Currently‚ these interactions are often inferred from a set of active compounds that were acquired experimentally. Moreover‚ most docking programs
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