"Does amylase work at ph levels other than the optimal ph" Essays and Research Papers

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    Ph Levels Lab Report

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    Lab on pH Levels Purpose: Throughout this experiment we are trying to learn how to take proper pH measurements using a pH meter. We also want to see the pH of different common liquids and record the change in pH when we add acids and alkaline liquids. The last reason we are conducting this experiment is to explain and show how fresh milk spoils by the change in pH. Materials: In this experiment we used graduated cylinders and glass beakers and added variety of ingredients including 50 mL of; soda

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    Ph Level Lab Report

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    Distinction of pH levels of Orange Juice and Milk of Magnesia in comparison to Distilled Water Cooper‚ A.‚ Do‚ J.‚ Francois‚ F.‚ Olaleye‚ O. Lab Section LA: 06/20/2012 Introduction pH is the measurement of the concentration of hydrogen ions in a certain solution. Solutions or substances that have a higher concentration of hydrogen ions are considered acidic on the pH scale. Therefore‚ a solution with low concentration of hydrogen ions is basic on the pH scale. The pH scale is a universal means

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    Ph Levels Lab Report

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    The relatively close pH levels of Tap Water‚ Spring Water‚ Flavored Water‚ and Seltzer Water. Introduction This experiment was performed to investigate the following hypothesis: The following four different types of drinking water (spring water‚ seltzer water‚ tap water‚ and flavored water) we test will relatively have the same pH level. Our group decided to test different types of drinking water to see if a pH level of tap water is comparable to other types of water. Many people believe

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    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 which all work together to supply the

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    iodine can be measured by using a spectrophotometer. α-amylases are found in saliva‚ pancreatic juice‚ human breast milk‚ serum and certain tissues such as the liver. This enzyme catalyzes the hydrolysis of α (1-4) linkages in starch by breaking it down to maltose and some glucose. As the starch is broken down‚ the coiled structure of α-amylase is unfolded. Therefore‚ iodine will no longer be able to form the blue complex with the α-amylase. It can be assumed that the decrease in color (absorbance)

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    Ph Scale

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    The pH Scale is a scale made to show how acidic or alkaline a substance is. The pH of something is measured with pH paper which can vary from wide range paper‚ which covers all ph’s‚ but is not as accurate at some others. There are pH papers that get very specific that can have a range such as 2 or 3 and get much more precise. The neutral on the scale is 7. Anything that is below 7 is considered acidic and anything above 7 is considered alkaline. Acidic substances contain more H+ than OH-. H+

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    Measuring Ph

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    MEASURING pH Date of Lab: 02/09/13 Date Report submitted: 02/26/13 Purpose of the experiment By doing this experiment‚ we were trying to learn how to measure a pH with a pH meter to determine whether a solution is weakly‚ moderately or strongly acidic or basic; but also to compare the different data founded to see how the addition of certain liquid to a solution may affect the pH of the initial solution. Materials We used: * Tap water‚ distilled water‚ Soda and milk as the main

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    Ph Meter

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    A pH meter is an electronic instrument used to measure the pH (acidity or alkalinity) of a liquid (though special probes are sometimes used to measure the pH of semi-solid substances). A typical pH meter consists of a special measuring probe (a glass electrode) connected to an electronic meter that measures and displays the pH reading. The probe The pH probe measures pH as the activity of hydrogen ions surrounding a thin-walled glass bulb at its tip. The probe produces a small voltage (about 0

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    Ph and Osmosis

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    The Effect of pH on the Rate of Osmosis Using a Glucose Solution Melissa Werderitch Biology 157 11/6/06 Introduction In a journal article written by Florian Lang‚ osmosis is essentially explained as the flow of water from one area to another that are separated by a selectively permeable membrane to equalize concentrations of particles in the two locations (Lang‚ 1997). Osmosis is able to maintain osmotic pressure and regulate a cell’s volume. In a hypotonic () or hypertonic () environment

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    PH Lab

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    Lab Report: Purpose: The Objective of this lab was to learn how to measure the pH (or acidity) of commonly known fluids‚ using the correct tools and procedures. To then use that data to document the changes noticed when mixing those same fluids and changing their respective pH levels. Materials: In order to conduct this experiment several pieces of equipment and other materials were needed. The first item was a graduated cylinder‚ which was used in order to measure out the precise

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