R E V I E W NAME ____________________________________ LAB TIME/DATE _______________________ S H E E T EXERCISE 38 Anatomy of the Digestive System General Histological Plan of the Alimentary Canal 1. The general anatomical features of the alimentary canal are listed below. Fill in the table to complete the information. Subdivisions of the layer (if applicable) Wall layer mucosa submucosa muscularis externa serosa or adventitia Major functions epithelium‚ lamina propria‚ (not
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systems the you could discuss are as follows: THE CARDIOVASCULAR SYSTEM‚ THE DIGESTIVE SYSTEM Fredrick’s response on forms of energy and P4 Examples of energy/Chemical‚ heat‚ light and motion. Examples of chemical energy are digestion of food products. It is not reversible. Chemical processes cannot be reversed as food cannot return to its natural state. Heat energy when rubbing hand‚ heat energy is created by the friction. Light energy‚ torch changes from chemical (battery)
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is expelled. Digestive anatomy includes: Mouth = entrance to gastrointestinal (GI) tract‚ contains: teeth- cuts and grinds food to increase its SA to improve the rate of digestive reactions salivary glands- 3 pairs that lubricates food with saliva‚ containing salivary amylase (breaks starch into disaccharides) and antibacterial enzymes. Saliva dissolves some food. taste buds- identify the type and quality of food. Food dissolves in saliva and moves into the taste pores. Receptor cells
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they from secretory folds called gastric glands‚ and these glands open into the gastric pits and flow into the pits. E) If he only enzymes came from his mouth he would be able to digest starch because even if food is swallowed fast chewing it breaks it down with salivary amylase and continues to act on the starch as it continues
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Research in Biotechnology‚ 3(6): 51-58‚ 2012 ISSN: 2229-791X www.researchinbiotechnology.com Regular Article Isolation and identification of a new Bacillus strain for amylase production Yasser Bakri*1‚ Hassan Ammouneh1‚ Samir El-Khouri1‚ Muhanad Harba1 and Philippe Thonart2 1Department of Molecular Biology and Biotechnology‚ AECS‚ Damascus‚ Syria‚ P.O.Box 6091 Wallon de Biologie Industrielle‚ Unité de Bio-industrie‚ Faculté de AgroBiotechnologie de Gembloux‚ Université de Liège
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produces a fluid to begin chemical digestion of food?| A)|Teeth| B)|Salivary glands| C)|Liver| D)|Gallbladder| E)|Pharynx| Ans:|B| |Link to: 23.5 The pancreas| 5.|Which of the following accessory organs produces a fluid that functions to emulsify dietary fats?| A)|Teeth| B)|Salivary glands| C)|Liver| D)|Gallbladder| E)|Pharynx| Ans:|C| |Link to: 23.5 The pancreas| 6.|Which of the following accessory organs stores bile?| A)|Teeth| B)|Salivary glands| C)|Liver| D)|Gallbladder|
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Grade 10 Biology Review Part A Cell Diagrams 1. a) Label the parts of the plant cell b) label the parts of the animal cell Part B Matching Match the description in column a with a term in column B. Write the letter of the response in the blank on the left. (1 mark each) Column A Column B _____1. Manufactures ribosome parts‚ RNA. A. cell membrane _____2. Structure that forms the outer boundary of B. nucleolus an animal cell. C. mitochondria
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digestive enzymes and other chemicals acting on food as it passes through the GI trac In chemical digestion‚ large food molecules are reduced to smaller molecules that can be absorbed through the lining of the intestinal wall and then distributed to body cells for use. This process of altering the chemical and physical composition of food so that it can be absorbed and used by body cells is known as digestion‚ and it is the function of the digestive system Part of the digestive system‚ the large intestine
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Saliva’s produced that helps the food become a paste. Here‚ the amylase enzymes turn the starch molecules (from the bread) into maltose – which is used by cells to give us energy. The bolus (lumps of food) squeezes past the epiglottis then down the oesophagus which connects the throat to the stomach. The bolus then enters the stomach where gastric juices are produced by the walls of the stomach. The protease‚ pepsin‚ starts the digestion of proteins to smaller molecules called polypeptides. Hydrochloric
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Isolation of Aspergillus niger from garden soil for the production of amylase enzyme and effect of various parameters on enzyme‚ production is the main aim of this study. Enzymes are protein catalysts synthesized by living systems and are important in synthetic as well as degradative process. Amylases are starch degradative enzymes that catalyze the hydrolysis of internal a-1‚ 4-0-glycosidic bonds in polysaccharides such as starch in to simple sugar (glucose and maltose). It is produced by a variety
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