Transcription and Translation Notes for IB Diploma Year 1 DNA is a huge information database that carries the complete set of instructions for making all the proteins a cell will ever need! Although there are only four different bases in DNA (A‚ C‚ G and T)‚ the order in which the bases occur determines the information to make a protein‚ just like the 26 letters of the alphabet combine to form words and sentences: Compare: RAT - TAR - ART - same 3 letters; completely different meanings. And
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EFFECT OF TEMPERATURE‚PH AND SUBSTRATE CONCENTRATION ON ENZYME ACTIVITY | Aim To investigate the effect of Temperature‚Ph and substrate concentration on the rate of enzyme activity. Hypothesis
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1. A) I would expect the active site of nylonase to consist mainly of polar amino acids with a few nonpolar amino acids as well because the substrate for nylonase is polar overall‚ but has many nonpolar bonds. What makes me think that the nylonase enzyme is polar is that the substrate that would bind to the active site of nylonase has extreme polarity between carbon and oxygen‚ and between hydrogen and nitrogen due to their differences in electronegativity’s‚ but it still has the nonpolar bonds between
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Biology IB Standard Level 2012-2014 Index Topic 1 Topic 2 Topic 3 Topic 4 Topic 5 Topic 6 Topic 7 Topic 8 Topic 9 Topic 10 Topic 11 Statistical analysis Cells The chemistry of life Genetics Ecology and evolution Human health and physiology Nucleic acids and proteins Cell respiration and photosynthesis Plant science Genetics Human health and physiology Topic
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Discussion The primary purpose of this experiment was to determine the optimum temperature range for the activity of the enzyme lactase. Extreme temperatures can have a detrimental effect on enzymes; very hot temperatures can cause the denaturation in the enzyme‚ which is the loss of protein structure. This causes a change in the shape of the enzyme leading to its inability to perform its function. As previously stated‚ the alternate hypothesis read: the optimal temperature range for lactase activity
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To what extent does Ocean Park’s marketing strategy for its re-development phase meet the preferences of its customers? Session: May 2010 IB Subject of Essay : Business and Management Supervisor Name : Mr. Philippe Cosentino Word Count : 3902 Abstract In this essay‚ I shall be responding to the research question: “To what extent does Ocean Park’s marketing strategy for its re-development phase meet the preferences of its customers?” The purpose of this essay is for me
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Title: “The Effect of Substrate Concentration‚ Enzyme Concentration‚ pH and Temperature on Enzyme Activity” Abstract: In the following experiments we will measure precise amounts of potato extract as well as Phenylthiourea‚ combined with or without deionized water and in some instances change the temperature and observe and record the reaction. We will also investigate the different levels of prepared pH on varying samples of the potato extract and the Phenylthiourea and record the results.
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Enzymes are biological molecules (proteins) that act as a catalyst and help complex reactions occur everywhere in life‚ for example a piece of steak that is being digested into energy. Molecules found at the beginning of the process are called substrates‚ and these enzymes exchange them into differing molecules known as products. Nearly all-metabolic processes in a cell need enzymes in order to function at rates that are fast enough to sustain existence. Those who are lactose intolerant are simply
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An experiment was run to determine which enzyme (pectinase‚ and cellulase or combinations of the two enzymes) maximizes juice production and would be most cost effective. The proposed hypothesis was if the enzyme‚ pectinase‚ is added to apple juice‚ then the more juice will be extracted than if cellulase were added because pectinase holds the cell wall together and if it is separated apart from each other‚ then the more juice would be able to flow out. The experimental data show that during the ten
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The milgram experiment. The three people involved were: the one running the experiment‚ the subject of the experiment a volunteer‚ and a person pretending to be a volunteer. These three persons fill three distinct roles: the Experimenter an authoritative role‚ the Teacher a role intended to obey the orders of the Experimenter‚ and the Learner the recipient of stimulus from the Teacher. The subject and the actor both drew slips of paper to determine their roles‚ but unknown to the subject‚ both slips
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