protein called thyroglobulin. This is a globular protein that has a functional role in metabolism. The protein is used by the thyroid gland to produce thyroid hormones; thyroxine (T4) is an example of one of the hormones created. Thyroxine is formed by iodine binding to tyrosine residues in thyroglobulin molecules‚ inside the follicle cell. (www.vivo.colostate.edu/hbooks/pathphys/endocrine/thyroid/chem.html) This hormone regulates growth and controls the rate of chemical reactions in the body. This
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years is 800mg and that of zinc is 10mg. Children of age 7 to 10 years need 100mg of iron‚ 250mg of magnesium and 120mg of iodine. Pregnant woman and lactating mother should include 400mg calcium and magnesium and 150mg magnesium. Woman in her pregnancy should consume 5mg zinc and 25mg iodine daily while breastfeeding mother should be provided with 10mg zinc and 50mg iodine. Comparing both cases‚ young children should eat more mineral containing food than pregnant woman. Both male and female
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the solution of amylase and starch in various temperatures of water. After a certain amount of time- different amount of time needs to be used in order to have reliable results- iodine is added in a well on spot plates‚ then two drops of the mixture of amylase-starch is added from each temperature used‚ by adding iodine into the plates the mixture will show how much starch was hydrolyzed‚ this is used to calculate the amount of enzymatic activity each mixture had at the different set temperatures
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Apparatus/Materials: * Unknown Solution X * NaOH * Iodine * Ethanol * Copper Sulphate * Benedict’s Solution * HCl * Cold Water * Syringe * Beakers * Bunsen burner * Tripod stand * Test tubes * Dropper Introduction: This Lab shows the detection of different food sources using different tests. Some of the food tests carried out was Benedict’s test‚ the test for non-reducing sugars‚ iodine test (test for starches)‚ emulsion test and the biuret
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The catalytic effect of D-block ions and the kinetics of reactions iodine clock reaction: By Stephen Parsons 6K2 Centre number: 61813 Candidate number: 8270 Table of Contents My aim and my reaction: 3 Rate of reaction: 4 Activation enthalpy: 5 Collision theory: 6 The effect of temperature on reaction rate: 7 The effect of concentration on reaction rate: 7 The effect of a catalyst on reaction rate: 8 D-block elements: 9 The effect of extra kinetic energy (from stirring etc.): 10 Where
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Kool-Aid Abstract Tetramethylammonium iodide was dissolved in a mixture of of Iodine and 95% ethanol while gently heated in a fume hood. Once cooled‚ crystals started to form in the beaker‚ which were then collected and washed with hexane through a series of processes involving vacuum filtration. Then a mixture of 5mh of the crystals and 5ml of 95% ethanol was created and tested on a slice of potato to analyse the iodine content. After‚ with sodium thiosulphate in the buret‚ the iodide solution was
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How to Make Ink from Alugbati Things You’ll Need: • Fresh fruit of alugbati • Mortar and pestle • Strainer • Bowl • 3 tbsp. vinegar • 1 tbsp. salt • 2 tbsp. rubbing alcohol • 1 tbsp. iodine • Bottle Writing ink can be made from many natural sources‚ such as the fruit juice of the alugbati plant. Alugbati‚ known in the U.S. as Malabar spinach‚ is commonly grown for its soft‚ spinach-like leaves and shoots. Alugbati is of African and East Asian origin. The juice of the fruits was reportedly
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Course: Principles of Biochemistry I & Biochemistry I Class: BS- Bioinformatics & BS-Biosciences Lab Instructor: Ms. Sadia Jabeen Lab Protocol #
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slip‚ and iodine (Note: iodine is toxic and will stain - handle with care). Procedure: 1. Get a glass slide and cover slip for yourself and make sure they are both thoroughly washed and dried. 2. Remove the single layer of epidermal cells from the inner (concave) side of the scale leaf (The thinner the better). 3. Place the single layer of onion cell epithelium on a glass slide. Make sure that you do not fold it over or wrinkle it. 4. Place a drop of iodine stain
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fructose‚ maltose‚ sucrose‚ lactose‚ |Molisch reagent | |agar-agar‚ gum arabic‚glycogen‚ cotton‚ |I2 in KI solution (Lugol’s iodine reagent) | |starch |Benedict’s reagent | |10% HOAc solution‚
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