Essays Tagged: "Iodine"

Minerals

ly.Minerals are classified into 2 major groups. The majorelements such as calcium, magnesium, iron, iodine etc. Thenthe trace elements such as copper, manganese fluorine andzinc.Once of the most impor ...

(1 pages) 53 0 4.0 Oct/1996

Subjects: Science Essays > Biology

Iodine-Source and Daily Requirement.

This essay talks about Iodine. How much intake of it is required daily, why it is important, where it can be found,and how ... nd,and how it is absorbed in the body. Basically, if you are looking for a grade 12 study report on Iodine source and daily requirement, then this essay is for you!------------------------------------ ... requirement, then this essay is for you!-----------------------------------------------------------Iodine is a mineral that is essential for human health. It should only be taken in small amounts. A ...

(2 pages) 49 0 2.7 Jan/2004

Subjects: Science Essays > Biochemistry

Iodine-Deficiency and Toxicity.

This essay talks about Iodine. What it does to the body when there is deficiency and toxicity. Why it is important to the b ... age groups as well. The precautions to take. etc. If you are looking for a grade 12 study report on Iodine deficiency and toxicity then this is for you!------------------------------------------------ ... is is for you!-----------------------------------------------------------A human body has to intake iodine (which is found in food as iodide) for the proper functioning of thyroid glands related hormo ...

(2 pages) 72 0 4.2 Jan/2004

Subjects: Science Essays > Biochemistry

Cheek and Onion Cell experiment.

d setup as shown in the table below.CHEEK CELLONION CELLMicroscopeMicroscopeSlideSlideMethylene BlueIodineSpatulaMicroscopic Cover SlipMicroscopic Cover SlipForcepsForcepsTileTileCheek Cell*A sample w ... ide of the onion (dull side) with the forceps.*The sample was then placed onto a slide, one drop of Iodine was dropped onto the sample and a microscopic cover slip placed on top.*The sample was then v ...

(1 pages) 18462 1 3.7 Jan/2004

Subjects: Science Essays > Biology

The Thyroid and Parathyroid Glands

follicular cells, which give off thyroxin and triiodothyronine (T3 and T4). These hormones contain iodine, which the thyroid needs to produce the hormones. The second type of cell in the thyroid, the ... ll as the physical processes. Hyperthyroidism can be treated using anti-thryroid drugs, radioactive iodine, or surgery.Hypothyroidism, the opposite of hyperthyroidism, is an under activity of the thyr ...

(3 pages) 46 0 4.5 Mar/2004

Subjects: Humanities Essays

Permeable membranes lab /iodine and vegetable oil

IntroductionThis experiment is based on the problem of whether the Ziploc bag will allow the iodine or starch to diffuse across the plastic "membrane". The hypothesis being tested is if the bag ... to diffuse across the plastic "membrane". The hypothesis being tested is if the bag will allow the iodine to travel across the membrane and if it will react with the starch in the Ziploc bag.Procedur ...

(1 pages) 38 1 4.6 May/2004

Subjects: Science Essays > Biology

Analysis of Commercial Vitamin C Tablets. (Ascorbic acid content in one tablet)

.In order to find out concentration of the ascorbic acid in the tablet, a redox reaction of it with iodine was done. While iodine is an oxidizing agent and ascorbic acid is a reducing agent. The react ... dehydroascorbic acid and iodide.Ascorbic acid + I2 -> dehydroascorbic acid + 2 H+ + 2 I-However, Iodine does not dissolve in water very well. In this case, standard solution of potassium iodate(V) ...

(5 pages) 62 1 3.0 Dec/2004

Subjects: Science Essays > Chemistry

Cretinism

n" meaning "Christian". In hopes of escaping persecution, Heretical Christians, regularly fled into iodine-deficient valleys in the Pyrenees in southwest France and as a result, had children with cong ... defects that do occur to the newborn. This genetic disorder has often been linked to deficiency of iodine in the mother's diet during pregnancy(Boyages).Cretinism, is most commonly caused by untreate ...

(3 pages) 23 0 3.4 Jan/2005

Subjects: Science Essays > Genetics & Genome Projects

Determination of the vitamin C content of a commercial vitamin C tablet and compare the result with the value specified by the manufacturer.

min C content of a commercial vitamin C tablet which is the mass of ascorbic acid in the tablet. As iodine is a weak oxidizing agent used mainly for the determination of strong reducing agents, ascorb ... of strong reducing agents, ascorbic acid C6H8O6 (aq) can be rapidly and quantitatively oxidized by iodine in acidic condition as shown in the following equation:I2(aq) + C6H8O6 (aq) → C6H6O6 (aq ...

(10 pages) 39 0 0.0 Jan/2005

Subjects: Science Essays > Chemistry

Cell wall transport

rposeThis experiment will demonstrate differential permeability in the model cell.HypothesisBecause iodine is much smaller than starch, Iodine solution will move through the membrane but starch will n ... aller than starch, Iodine solution will move through the membrane but starch will not.MethodPrepare iodine solution in jar. Pore glucose solution and starch solution into membrane bag. Gently set the ...

(3 pages) 45 0 3.7 Mar/2005

Subjects: Science Essays > Biology

Comments on Ernest Hemingway's The Snows of Kilimanjaro

t infection of gangrene in his right leg and suffers pain a lot and blames himself for not applying iodine to the wound. Harry decides to travel in a rescue plane for treatment, while waiting for the ...

(1 pages) 61 0 2.0 Apr/2005

Subjects: Literature Research Papers

Thyroid Gland Diseases.

I. INTRODUCTION.The thyroid is a small gland in the neck that takes up iodine from the body to produce hormones that help control the body's metabolism, and regulate how q ... abies is born without a properly functioning thyroid gland.-Diet. Because the thyroid makes T4 from iodine drawn from food, an iodine-deficient diet can cause hypothyroidism-Environmental contaminants ... azole, can slow down thyroid function by inhibiting the production of thyroid hormone.* Radioactive iodine will partially destroy the thyroid. However, there is a significant risk of developing hypoth ...

(4 pages) 65 1 3.0 Oct/2005

Subjects: Humanities Essays > Health & Medicine > Diseases

Food Additives

foods from spoiling. Common food additives include baking soda, added to dough to make it rise, and iodine, put into salt to prevent goiter. Some food additives come from other foods. In additi ...

(2 pages) 42 0 3.0 Nov/2001

Subjects: Science Essays > Chemistry

Iloveyou

foods from spoiling. Common food additives include baking soda, added to dough to make it rise, and iodine, put into salt to prevent goiter. Some food additives come from other foods. In additi ...

(2 pages) 17 0 0.0 Nov/2001

Subjects: Science Essays > Chemistry

OSMOSIS AND DIFFUSION LAB

SIS AND DIFFUSION PURPOSE: To see the effects of a permeable membrane.HYPOTHESIS: If the water with iodine diffuses through the bag, then i think the starch will change color. The reason why I think t ... bag is more than inside the bag.MATERIALS: Dialysis Bag Starch Solution (Small Beaker) Strings (2) Iodine Beaker PROCEDURE: 1.Get starch solution and put it in the dialysis bag.2.Tie both sides of th ...

(2 pages) 36 0 3.0 Sep/2001

Subjects: Science Essays > Chemistry

Dow Chemicals Executive Summary

that Dow made in breaking these monopolies included indigo (an important dye), bromine, bleach, and Iodine. In addition, Dow Chemical also discovered compounds needed to create synthetic rubber, and a ...

(6 pages) 1730 0 0.0 May/2010

Subjects: Businesss Research Papers > Accounting

Radioactive Iodine and the Effects on the Human Body

Radioactive Iodine and its Effects on the ThyroidA Review of LiteratureStevensThe element Iodine has a multitude ... l to do harm. The purpose of this review of literature is to investigate the effects of radioactive Iodine on the thyroid gland. Investigated information on this matter includes atomic properties of t ... ation on this matter includes atomic properties of the isotope and its effects on the thyroid gland.Iodine is a nonmetallic element within the Halogen group. In solid form, it appears soft with a blui ...

(5 pages) 2 0 0.0 Oct/2014

Subjects: Science Essays > Biology