Digestion/ Absorption and Homeostasis In order to survive‚ our bodies must bring in energy and nutrients for the cells of the body through eating and digestion of food. To be carried to the cells of the body by the blood stream‚ food must be broken down to molecules. This breaking down of food into molecules‚ small enough to be absorbed into and carried through the blood stream‚ is carried out by the digestive system through the process of digestion and absorption. Digestion is the process of
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Biology Form Four Digestion Digestion is the process by which food is broken down from complex insoluble substances into simple soluble substances. There are two types of digestion – chemical digestion and mechanical digestion. Mechanical digestion involves breaking up large pieces of food into smaller pieces. This provides a large surface area for the action of enzymes on food. There is no change to the chemical composition of food during mechanical digestion. Mechanical digestion occurs in the
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ruminants like cattle enables them to efficiently use high roughage feedstuffs‚ including forages. Their digestive system is composed of the mouth‚ tongue‚ gall bladder‚ pancreas‚ the four compartment stomach (rumen‚ reticulum‚ omasum‚ and abomasum)‚ salivary glands‚ the small intestine (duodenum‚ jejunum‚ and ileum)‚ esophagus and the large intestine (cecum‚ colon‚ and rectum) (Brooker‚ 5). Mouth and Teeth A ruminant animal uses its mouth and tongue to harvest forages and consume feedstuffs during
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Peerless strategy Case Overview The first plant of the Peerless starch industry was started in Blair during the civil war times. It is one of the highest wages paying plants in the region sporting a five story building supported by two massive towers. The other plants in the region have all shut down and currently Peerless starch is the only active plant in the region and it employs 8000 of the 120000 residents of the Blair. Company has three more plants in Illinois‚ Oregon and Texas which
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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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a negative result. To explain‚ both DI water‚ and sucrose alone do not contain a trace of protein. In addition‚ deionized water is commonly used in experiments as a negative control. In both experiments‚ if the DI water is tested for a protein or starch‚ then it will come back as a negative. If milk solution‚ and 50% egg white solution are tested for proteins using the biuret solution‚ then there will be positive results because both of these are composed of protein macromolecules. The use of condensed
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There was a controlled and an experimental substance. The controlled substance was the one with starch in the dialysis bag‚ and the experimental substance was the one with starch and amylase in the dialysis bag. Both had the same solvent outside of the bag (Lugols and Distilled Water). The color change differed from inside and outside the bag as time went on‚ and at the end of the 45 minutes‚ the two bags had changed colors. The solute in the controlled substance had a darker color to it‚ with it
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Chemical and Physical Processes of Digestion NAME: LAB TIME/DATE: Carbohydrate Digestion The following questions refer to Activity 1: Assessing Starch Digestion by Salivary Amylase. 1. At what pH did you see the highest activity of salivary amylase? Why? 2. How do you know that the amylase did not have any contaminating maltose? 3. What effect did boiling have on enzyme activity? Why? 4. Describe the substrate and the subunit product of amylase. The following questions refer
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“Is Starch Permeable in Cells? Abstract This report presents the weights of 3 samples of water with various amounts of solute after the use of osmosis. Three different tests were performed‚ each with a beaker of water containing varying amounts of starch from 30% concentration (12.5 grams of water) to 15% concentration (9.5 grams of water)‚ and then 0% (10.5 grams of water). To start this experiment‚ we put water into a make-shift dialysis tube‚ a type of semi-permeable membrane tubing made
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Digestion Lab Abstract – The purpose of this lab was to understand how different solutions played a role in the digestion protein. By looking at different variables‚ such as temperature‚ and pH we’re capable of understanding just how certain substances functioned and when they didn’t. The data for all labs are clear and concise and give a clear understanding of what solutions work best. All three labs were placed in a warm water bath set at 37’C to stimulate the reaction as if it were taking place
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