milk Introduction Enzymes are globular protein‚ responsible for most of the chemical activities of living organisms. They are made up of long chains of amino acids containing carbon‚ hydrogen‚ oxygen and nitrogen (Gunsch‚ 2012). The role of enzyme is to act as catalysts‚ substances that speed up chemical reactions without being chemically altered during the process. The speeding up of chemical reactions is done by lowering the activation energy required to start a reaction. Enzymes are specific in
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containing these four unknown solutions as flask A‚ flask B‚ flask C‚ and flask D. Design an experiment‚ based on the principles of diffusion and osmosis‚ that the assistant could use to determine which of the flasks contains each of the four unknown solutions. Include in your answer: a. a description of how you would set up and perform the experiment; b. the results you would expect from your experiment; and c. an explanation of those results based on the principles involved. Be sure to clearly
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to be relatively stable and has greater available chlorine than sodium hypochlorite (liquid bleach). Preparation It is manufactured by the calcium process: ~\mathrm{2Cl_2 + 2Ca(OH)_2\longrightarrow \ Ca(OCl)_2 + CaCl_2 + 2H_2O}. "Bleaching powder" is a mixture of calcium hypochlorite (Ca(OCl)2) and the basic chloride CaCl2‚ H2O with some slaked lime‚ Ca(OH)2. Properties Calcium hypochlorite is a yellow white solid which has a strong smell of chlorine. It is not highly soluble in water
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Enzyme Lab Name ___________________________ Assignment 1: Getting to Know Enzyme Lab: Setting Up an Experiment The first screen that appears in Enzyme Lab shows you a biochemistry lab containing all the reagents and equipment you will need to perform your experiments. Click on each item in the lab to learn more about its purpose. Once you are familiar with the lab‚ click on the Experiment button to begin the first assignment. This assignment is designed to help you become
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effect of pH on amylase activity Aim The aim of the experiment is to determine the effects of different pH and the rate of reaction on fungal amylase and starch. Introduction The enzyme amylase is found in the human body‚ it catalyses the hydrolosis of internal glycosidic bonds in polysaccharides‚ the breakdown of starch into sugars. Amylase is present in human saliva‚ where it initiates the chemical process of digestion. Enzymes work best at an optimum pH of 7 which is the bodies normal
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Application of stone powder grinder: stone powder grinder for super-fine grinding materials with hardness less than 6 in Moh‘s scale and humidity less than 6 percent such as kaolin‚ limestone‚ basalt‚ calcite‚ marble‚ talcum‚ barite‚ gypsum‚ dolomite‚ bentonite mud‚ mica‚ pyrophyllite‚ sepiolite‚ carbon black‚ diatomite‚ graphite‚ alunite‚ fluorite‚ potassium feldspar‚ phosphorite‚ pigment‚ up to 200 kinds. The granularity (or final size) of the finished products can be freely adjusted between 325-3000meshes
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reactions Keywords: Alkaline phosphatase; kinetics; Enzyme-cofactor interaction; synergism * corresponding author. Email: femijohn@gmail.com 43 INTRODUCTION The roles of metal ions in metalloenzymes include direct participation in catalysis‚ stabilization of protein structure and regulation of enzymatic activity. Membrane alkaline phosphatase (ALP) is a metal-containing enzyme that serves as a good model for the study of metal ion interactions in enzyme catalysis. Native E. coli ALP contains three
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Dish Washing I walk into the restaurant Red Robin‚ wait for my name to be called by the host and sit down in a booth with comfortable red seats. All of a sudden a man sits next to me wearing an apron soaking with water‚ wiping sweat from his face. It’s my brother‚ Zachary Walsh. Zach states “ Man‚ I hate Saturday nights‚ too damn busy!”. What was Zach doing? Zach is a dish machine operator‚ or in restaurant terms‚ a DMO. Washing dishes you say‚ that sounds easy! I am afraid not my friends. Washing
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Powder metallurgy is the process of blending fine powdered materials‚ pressing them into a desired shape or form (compacting)‚ and then heating the compressed material in a controlled atmosphere to bond the material (sintering). The powder metallurgy process generally consists of four basic steps: (1) powder manufacture‚ (2) powder blending‚(3) compacting‚ (4) sintering. Compacting is generally performed at room temperature‚ and the elevated-temperature process of sintering is usually conducted at
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Powder Technology 211 (2011) 54–59 Contents lists available at ScienceDirect Powder Technology j o u r n a l h o m e p a g e : w w w. e l s ev i e r. c o m / l o c a t e / p ow t e c Modeling of iron ore pelletization using 3 ** (k–p) factorial design of experiments and polynomial surface regression methodology John Samuel Thella a‚⁎‚ R. Venugopal b a b Research Development and Technology‚ Tata Steel Limited‚ Jamshedpur‚ India Indian School of Mines University‚ Dhanbad‚ India
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