Digestion is a process in which the food that we eat is broken down into tiny nutrients to be taken in by the body. Within the human digestive system‚ chemical and physical reactions occur that allow for the digestion and the absorption of proteins into the bloodstream. The purpose of this paper is to show how chemistry relates to the daily functions within the body. There are two types of digestion processes‚ which are called mechanical and chemical digestion. Mechanical digestion includes the
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PANCREATIC CANCER Pancreatic cancer is a disease in which cells become abnormal and multiply without control or order and form a malignant tumor in the tissues of the pancreas. The pancreas is a gland about 6 inches long that is shaped like a thin tadpole lying on its side. It lies behind the stomach and in front of the spine. The wider end of the pancreas is called the head‚ the middle section is called the body‚ and the narrow end is called the tail. The pancreas has "exocrine" cells that
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human digestive system. (Total 4 marks) 3. Describe the role of enzymes in the process of digestion of proteins‚ carbohydrates and lipids in humans. (Total 6 marks) 4. Draw a labelled diagram of the digestive system. (Total 5 marks) 5. State the sources‚ substrate‚ product‚ and optimum pH conditions for the enzyme amylase. (Total 4 marks) 6. Describe the role of enzymes in digestion with reference to two named examples. (Total 5 marks) 7. What sequence of organs do substances
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Pancreatic cancer begins in the tissues of the pancreas‚ the pancreas secretes enzymes that aid digestion and hormones that help regulate sugars. Cancer begins to form when a cell in the pancreas begins to reproduce uncontrollably and crowds out normal cells. The cause of pancreatic cancer is difficult to pinpoint because cancer is a mutation of the DNA‚ but can be partially explained by mutations inherited through parents and someone’s exposure to carcinogens‚ cancer causing chemicals. Inherited
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EXPERIMENT NO. 12 DIGESTION IN THE STOMACH ABSTRACT____________________________________________________________________________ Digestion refers to the mechanical and chemical breakdown of food into smaller components that can undergo absorption. The objective of this experiment is to investigate mainly the process of digestion in the stomach. The conditions at which the enzymes responsible for the digestion process were determined. Also‚ the total and free acidity of gastric juice of the sample
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The lipase gene sequence from Alcaligenes sp. JG3 was translated into amino acid sequence using two methods‚ manual translation and ExPASy online software. By manual method‚ amino acid sequence was obtained via codon translation one by one as shown in Figure IV.7. The sequence reference used is the lipase from A. faecalis MOR02 due to having high similarity with the lipase sequence from strain JG3 during CLUSTAL alignment and the alignment of the deduced amino acid with the referred sequence was
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PROCESS OF DIGESTION 1 Process of Digestion Amy Wallace EN 101 February 27‚ 2013 Miller-Motte Technical College PROCESS OF DIGESTION 2 Digestion is an important process needed for maintaining and providing energy to living organisms. Throughout the digestion process‚ food is broken down into small molecules‚ where it can be absorbed easily. There are many organs that aid
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Both the French and Haitian revolutions had similarities. There was an unfair distribution of power between social classes. limited liberties and representation‚ and a large gap between the rich and the poor serving as the main catalysts. The causes for the French and Haitian revolutions were fairly uniform. An unfair distribution of power between social classes‚ restricted liberties and representation‚ and a large gap between the rich and the poor were the main catalysts for both revolutions
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Research Question Does the concentration of substrate (H2O2 (hydrogen peroxide)) have an effect on the activity of the enzyme (catalase)? Theory The higher the substrate concentration the more quickly product is produced (rate of reaction increases) until enzyme saturation is reached at which time more substrate has no further effect. Enzymes such as Catalase are protein molecules which are found in living cells. They are used to speed up specific reactions in the cells. They are all
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Human Digestion Shaunda SCI/241 05/16/14 Human Digestion From what I have learned from the weekly readings and watching the animated digestive tract. When humans digest food‚ we go through a complex process‚ in which the food eaten is turned into energy that is needed in order to survive. During the digestion process the food eaten becomes waste that has to be eliminated eventually. I will discuss how this process works in each area of mouth‚ stomach‚ small intestine
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