Duodenum Jejunum Ileum Large intestine Rectum Pancreas Spleen Kidney Urinary Bladder Pyloric sphincter Gastrin Secretin Lipase Enterogastrone Salivary amylase Pepsin Villi Trachea Larynx Lungs (know the various lobes) Epididymus Vas deferens Ovaries Uterus/Uterine horn Penis Testis Right ventricle Left ventricle
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activity of Polyphenol Oxidase and Peroxidase when mixed with catechol‚ caffeic acid‚ pyrogallad‚ tyrosine‚ guacol‚ and water‚ to test the effect of inhibitors on these enzymes‚ to show the specificity of Polyphenol Oxidase and also the effect of amylase on starch. Theory: Enzymes are large molecules that increase the rates of chemical without themselves undergoing any change (Bettelheim‚ Brown‚ Campbell and Farrell 2010). Enzymes are the catalyst of biological processes; they bring the reaction catalyzed
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UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS General Certificate of Education Advanced Subsidiary Level and Advanced Level CHAPTERS CLASSIFIED:ENZYMES 9700/2 BIOLOGY Paper 2 Structured Question AS For year 2014 Candidates answer on the Question Paper. No Additional Materials are required. READ THESE INSTRUCTIONS FIRST Write your candidate number and name on all the work you hand in. Write in dark blue or black pen. You may use a soft pencil for any diagrams‚ graphs or rough
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2 MAJOR CLASSIFICATIONS OF THE DIGESTIVE SYSTEM A. FOOD TUBE/ALIMENTARY CANAL/DIGESTIVE TRACT -Mouth Cavity -Pharynx -Esophagus -Stomach -Small intestines -Large Intestines -Rectum -Anus B. ACCESSORY ORGANS/GLANDS -Salivary glands -Liver -Pancreas -Gall bladder -Appendix DIGESTIVE SYSTEM- responsible for the breaking down of food into simpler molecules. ABSORPTION- bringing food to the body cells DIGESTION-) the process of breaking down complicated chemicals in nutrients into forms
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accessory digestive organs involved including the salivary glands‚ liver‚ pancreas‚ and gallbladder. Digestion begins in the oral cavity where the cheeks and lips press the food against the teeth‚ a process known as mastication. This is the first phase of mechanical digestion which is also aided by the tongue. There are three major pairs of salivary glands that secrete approximately 1 liter
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test: Blue coloration turned to brick red precipitate. Reducing sugar is present in the solution A. Iodine test: The coloration remained unchanged. Starch is absent in solution A. Solution B Benedict’s test: The blue coloration remained unchanged. Reducing sugar is absent in solution B. Iodine test: The coloration turn into dark blue coloration. Starch is present in solution B. Table 2: Tube Contents Temperature(°C) Benedict’s Test-Colour Observation After min 5th min (from tubes
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Pharynx‚ E. Stomach‚ F. Gall bladder G. Colon‚ H. Tongue‚ I. Liver‚ J. Small intestine‚ K. esophagus‚ L. Salivary glands M. Pyloric sphincter‚ Region/organ Function B Produces the enzymes to digest proteins‚ fats and carbohydrates in the small intestine. Also produces the hormone insulin H Organ that mixes food in the mouth and makes swallowing happen L Produce saliva containing salivary amylase . K Carries the food from the mouth to the stomach F Stores bile M This muscle controls the passage
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Cited: Amylase. (2013). Encyclopedia Americana. Retrieved February 28‚ 2013‚ from Grolier Online http://ea.grolier.com/article?id=0014160-00 Arnon‚ D Bonner‚ J. (2013). Cellulase. Encyclopedia Americana. Retrieved February 28‚ 2013‚ from Grolier Online http://ea
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When the plate is flooded with iodine‚ where there is a clearing then that bacteria can secrete amylase. There was a clearing only around Bacillus subtilis on the plate meaning that it can secrete amylase. Staphylococcus aureus and E. coli did not have this clearing meaning they can not secrete amylase. Casein agar is a complex that tests for the ability of a bacterium to secrete a proteinase enzyme that can break down the protein casein‚ which is
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Zachary’s Story Unit 6 Case Study 1 AP2630 Rhonda Carter July 27‚ 2015 A. An ulcer starts by eroding the mucosa of the G.I. tract wall. What functions of digestion and/or reabsorption might be lost if this layer is no longer functional? What functions will be compromised if the ulcer eats through the submucosa and then the muscularis? Absorption would not happen correctly some of the ingested and secreted may seep out of the lumen. This also could create a pathway of entry for pathogens
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