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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Starch From Wikipedia‚ the free encyclopedia Starch Identifiers CAS number 9005-25-8 EC-number 232-679-6 RTECS number GM5090000 Properties Molecular formula variable Molar mass variable Appearance white powder Density 1.5 g/cm3 Melting point decomp. Solubility in water none Hazards MSDS ICSC 1553 EU Index not listed Autoignition temperature 410 °C (verify) (what is: / ?) Except where noted otherwise‚ data are given for materials in their standard state
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Resistant starch (RS) is starch and starch degradation products that escape from digestion in the small intestine of healthy individuals.[1] Resistant starch is considered the third type of dietary fiber‚ as it can deliver some of the benefits of insoluble fiber and some of the benefits of soluble fiber. Some carbohydrates‚ such as sugars and most starch‚ are rapidly digested and absorbed as glucose into the body through the small intestine and subsequently used for short-term energy needs or stored
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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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Title: Starch Aims 1. To identify starch in food. 2. To study the microscopic appearances of raw and heated starch. 3. To compare the viscosity of various gelatinized starch solutions. Introduction Starch is one of the most abundant substances on the earth. It can be found in seeds‚ grains‚ and roots of many crops where it is synthesized in granular form. Starch granules are packages of starch molecules. The importance of starch is well-known‚ as is its central role in human diet.
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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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Lab Report DIFFUSION AND THE EFFECT OF AMYLASE. Aim: We will interpret and explain the activity of an enzyme added to a solution. We will analyze reactions in different pH ranges. The starch solution will appear blue when mixed with iodine. But after mixing the enzyme amylase to the starch‚ the starches are broken down into simple sugars. Now‚ when the iodine is added‚ no color change exist. Instruments and materials used: 1.) Dialysis bags x2 2.)
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Dialysis of starch‚ glucose and sucrose Introduction: Research question: Does the dialysis tube only allow certain substances to pass through the pores because of their size? Dependent and Independent variables: Independent variables: The temperature of the classroom The size of the molecules The size of the pores in the tube The concentration of the indicators Dependent variables: The substance will either pass the pores of the tube or not The result will vary in darkness (color) Controlled
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Affect of pH on Porcine Pancreatic Alpha-Amylase Activity Introduction Proteins function in a variety of different ways‚ and one of their fundamental tasks is to act as enzymes. Enzymes are extremely important in controlling reaction speed (by initiating and regulating biological activity)‚ cell communication‚ and growth. One particularly significant enzyme is amylase‚ which catalyzes the hydrolysis of alpha glycosidic linkages of amylose‚ starch components‚ and other oligosaccharides (Qian
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needed for chemical reactions to take place. Enzymes also known as catalysts is one of the main factors in producing energy in individual’s bodies. The experiment conducted was to test how different temperatures effected the catabolizing of fungal and bacterial amylase‚ as well as the optimal temperature needed for the enzyme to correlate with the bacteria and fungi. The enzyme’s break down within the starch was observed through different temperatures and time periods. The Starch was placed in both
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