units of the monosaccharide glucose. Our bodies break down starch into the individual glucose units‚ which are further metabolized into CO2 and water through the process of glycolysis—this is the process we commonly call digestion. The enzyme amylase is present in our saliva and begins the process of digestion when starch containing foods enter our mouths. In this lab you will measure the amount of amylase present in your saliva by monitoring the breakdown of starch. Introduction: You can probably
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BIOS140 iLab #6: Digestion and Nutrition Worksheet Name: Complete the following questions and submit your report. This document contains 3 pages. The total lab is worth 35 points. 1. Observe the following model of the digestive system. Label all of the major organs. 2. There are many online tools that allow you to calculate your BMI. Use one of these tools to calculate your BMI. BMI Values Fill in Your Information Underweight Less than 18.5 Normal weight 18.5–24.9 Overweight 25–29.9 Obese
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Human Digestion Summary Nicole Koch SCI/241 August 1‚ 2012 Bruce Elliott Human Digestion Summary The digestive system provides two main functions‚ absorption and digestion. The main part of the digestive system is the gastrointestinal tract also referred to as the GI tract. This runs all the way from the mouth to the anus‚ about thirty feet long. The GI tract is made up of the mouth‚ pharynx‚ esophagus‚ stomach‚ small intestine‚ large intestine and anus. The transit time is the amount
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Human Digestion SCI/241 Human Digestion The beginning of the digestive process starts with the smell and sight of food which activate the salivary glands. The mouth is the point at which food enters the digestive tract and continues the digestive process by chewing food. The food is then broken down into pieces and moistened by salivary glands which turn food into a bolus. The bolus goes down the pharynx into the esophagus which connects the pharynx to the stomach. The stomach is an organ
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Digestive System Enzymes Digestion of Carbohydrates in relation to Ph. levels 2012 HAUBER-SIX‚ Janina Queensland Government 1/1/2012 Digestive System Enzymes Digestion of Carbohydrates in relation to Ph. levels 2012 HAUBER-SIX‚ Janina Queensland Government 1/1/2012 The follow experiment was prepared‚ conducted and analysed in order to test at which pH level starch will be digested at fastest. The digestive system is a complex network of organs as well as other structures
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Human Digestion Summary SCI 241 August 8‚ 2013 Human Digestion Summary We all love to eat. I remember my parents used to tell me that in order for my food to digest properly‚ I would have to chew it one hundred times on both side to make it small as possible. They said that if the food was smaller it could digest quicker and easier. But most people do not know what happens to their food after they have chewed it up and swallowed it. Some may think that right after the food is swallowed‚ it
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Process of Digestion and Absorption after eating a hamburger. After someone eats a hamburger with the works‚ they do not really think of what nutrients are in that hamburger‚ what the body does to get those nutrients out of the food‚ or even what process is used‚ they just think of how good it tasted. To get all the nutrients out of the food the human body uses processes called absorption and digestion. Some of the processes of digestion are mechanical and chemical; these are the step before the
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Nutrition is a process; it is how the body puts all the processes together in order to provide what our bodies need to be healthy‚ to grow and to maintain good health while supplying all our nutritive needs. There are different stages to nutrition‚ it starts with the food we ingest‚ then it is digested‚ it can then be used and absorbed by the body and is then assimilated and finally any waste is eliminated. At the first stage of the process is ingestion and it could be argued that good nutrition
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6.1.1 Explain why digestion of large food molecules is essential. There are two reasons why the digestion of large food molecules is vital. Firstly‚ the food we eat is made up of many compounds made by other organisms which are not all suitable for human tissues and therefore these have to be broken down and reassembled so that our bodies can use them. Secondly‚ the food molecules have to be small enough to be absorbed by the villi in the intestine through diffusion‚ facilitated diffusion or active
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Murder Koreen Clarke October 29‚ 2014 Biology 1 Cellular Processes Lab Section 903 Tianna Clarke Materials and Methods Part I – Restriction Enzyme Digestion To begin this experiment‚ the DNA molecules must be cut into smaller fragments with distinct enzymes called Restriction Enzymes through a process called Restriction Enzyme Digestion. Four microtest tubes were labeled 1 through 4 and added 10 µl of Enzyme Reaction Buffer to each of the four reaction tubes using a micropipette. DNA‚ and
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