Enzymes in Pineapple Background: Enzymes are very efficient catalysts for biochemical reactions. They speed up reactions by providing an alternative reaction pathway of lower activation energy. Like all catalysts‚ enzymes take part in the reaction - that is how they provide an alternative reaction pathway. But they do not undergo permanent changes and so remain unchanged at the end of the reaction. They can only alter the rate of reaction‚ not the position of the equilibrium. Enzymes are usually
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A Snapshot of a pineapple story Johanne Wayne Colorado Christian University Cross-Cultural Communications COM314A Dr. Jacob Kitonsa February 13‚ 2014 A Snapshot of a pineapple story One of the great missionary accounts for me was Otto Koning’s pineapple story. God used his pineapple garden in Dutch New Guinea to conquer a huge weakness of his. The account happened over a period of seven years and the lesson to learn from this story is about yielding your personal rights. When you learn to
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What is Enzyme? Enzymes are protein that acts as speed up reactions and break down molecules in our body. However‚ different enzymes only work on certain types of molecules. Enzymes can accelerate the reactions by more than one million times.(3) In our human body‚ there are a total about forty thousand types of enzymes and each catalyzes different kind of molecule.(3) The molecules that enzymes help to accelerate is called substrates‚ and when enzyme is combined together with the substrate‚ it
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| | |Summer vegetable salad | |Pineapple- buko salad | | |
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feasibility study of Pineapple (Ananas Comosus‚ Linn) Peelings as main ingredient in making Particle Board. Science and Technology Department‚ Kidapawan City National High School. The study was entitled “Feasibility Study of Pineapple (Ananas Comosus‚ Linn) Peelings as main ingredient in making Particle Board”. The study aimed to produce particle board out of pineapple peelings and answer the following questions: 1) Does the quality of the produced particle board out of pineapple peelings comparable
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it’s lowest to do so. However‚ in cold solutions the starch will take longer as it will in temperatures beyond 40 degrees. Once it reaches this point‚ the break down will either take a very long period of time or have no reaction at all as enzymes are denatured at a certain point. Materials: · 4 x test tubes · 5mL Diastase · 5mL Water · 10mL 2% Starch Suspension. · Pipette · 2 x Spotting tiles · Large Beaker filled with water of assigned temperature · Thermometer
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Enzyme as protein Dr.Samina Haq Quantitative and qualitative test for protein and amino acids • 1. 2. 3. 4. 5. 6. Qualitative test Ninhydrin test Biuret test Xanthoproteic test Millons test Hopkins-cole test Nitroprusside test Quantitative test 1. 2. 3. Spectrophotometric assay Protein shows maximum absorbance at 280nm due to presence of tyrosine and tryptophane. Biuret test shows 540nm Lowry test shows 750nm Ninhydrin Test • Amino acid containing a free
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Introduction Enzymes are proteins that act as catalysts; thus allowing the many chemical reactions in life to occur. The purpose of an enzyme is to speed up the rate of a chemical reaction. Without enzymes‚ living organisms would be unable to function properly‚ since the releasing and storing of energy depend on the enzyme’s function (2). Through the process of catabolism‚ complex molecules within organic compounds are broken into simpler molecules. As a result of catabolic reactions‚ energy used
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amylase and starch. Introduction The enzyme amylase is found in the human body‚ it catalyses the hydrolosis of internal glycosidic bonds in polysaccharides‚ the breakdown of starch into sugars. Amylase is present in human saliva‚ where it initiates the chemical process of digestion. Enzymes work best at an optimum pH of 7 which is the bodies normal pH. The pH affects the charge of the amino acid at the active site. PH changes affect the structure of an enzyme molecule and therefore affect its ability
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Enzymes (pron.: /ˈɛnzaɪmz/) are large biological molecules responsible for the thousands of chemical interconversions that sustain life.[1][2] They are highly selective catalysts‚ greatly accelerating both the rate and specificity of metabolic reactions‚ from the digestion of food to the synthesis of DNA. Most enzymes are proteins‚ although some catalytic RNA molecules have been identified. Enzymes adopt a specific three-dimensional structure‚ and may employ organic (e.g. biotin) and inorganic (e
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