Folic Acid is a B vitamin‚ specifically B9. It is an essential nutrient required by the body to create healthy new cells. While we hear about it mostly in regards to pregnancy‚ it is important to understand that the need for folic acid goes even beyond this. Folic acid is essential for the body to create red blood cells which in turn prevents anemia. It is also plays an important role in the metabolism of homocysteine‚ an amino acid. The recommended dietary allowance (RDA) for all men and women
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Ribonucleic acid (RNA) is a ubiquitous family of large biological molecules that perform multiple vital roles in the coding‚ decoding‚ regulation‚ and expression of genes. Together with DNA‚ RNA comprises the nucleic acids‚ which‚ along with proteins‚ constitute the three major macromolecules essential for all known forms of life. Like DNA‚ RNA is assembled as a chain of nucleotides‚ but is usually single-stranded. Cellular organisms use messenger RNA (mRNA) to convey genetic information (often notated
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with almost 15 million people" – I’d correct immediately: “The largest city”. This mistake is more related to false cognate usage. • (During a group class activity you hear:) "She leaves in a small house in town." – I’d write this sentence with the error on the board and after the exercise I’d ask to correct. “She lives in a small house in town.” This mistake is more related to L1 pronunciation. • During a debate you hear:) "He can´t play football because of his damaged leg." I’d wait until after
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PK – Lab Report Name: ____________________ Section: ___________________ Experimental Errors and Uncertainty Data: The data table that follows shows data taken in a free-fall experiment. Measurements were made of the distance of fall (Y) at each of the four precisely measured times. Time‚ t (s)|Dist‚ y1 (m)|Dist‚ y2 (m)|Dist‚ y3 (m)|Dist‚ y4 (m)|Dist‚ y5 (m)||σ|t2| 0|0|0|0|0|0|0|0|0| 0.5|1.0|1.4|1.1|1.4|1.5|1.3|.2|.25| 0.75|2.6|3.2|2.8|2.5|3.1|2.8|.3|.56| 1.0|4.8|4
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Errors and Compliance in Coding Lisa rosier HCR/220 August 20‚ 2010 Linda Murray Errors and Compliance in Coding Billing and coding is very important in medical facilities‚ not only to the facility but also the patients and their insurance carriers. Sometimes‚ mistakes are made during this process that can cause delay in payment or denial of a claim. One mistake made in coding is assumption coding.
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Error identification – Extra practice exercises. Decide which part of the sentence is grammatically incorrect. Then look at the answers below. 1. I enjoyed study geography at school and now I’ve enrolled at the Economics Faculty. 2. I used to be keen of all scientific subjects but now I would prefer to study art. 3. I want meet your sister when she comes to see you – she sounds very nice. 4. My friends tell the English exam is quite difficult but I’m not worried. 5. The tickets
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Purpose: To synthesize 1‚2‚3‚4-tetraphenylnaphthalene through a two-step synthesis. The aldol condensation reaction between benzil and dibenzyl ketone forms 2‚3‚4‚5-tetraphenylcyclopentadienone‚ which then reacts with a benzene formed by anthranilic acid and isoamyl nitrate in order to yield 1‚2‚3‚4-tetraphenylnaphthalene. Reaction Equation A: Synthesis of 2‚3‚4‚5-tetraphenylcyclopentadienone: A solution of 4 capsules potassium hydroxide (0.5g) and 5mL anhydrous ethanol was prepared
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LIDE Learning Center‚ Inc. 6539 Isabel‚ Leyte Synthesis of Aspirin An Investigatory Project Presented to: Edmundo A. Quiñones Chemistry Teacher In Partial Fulfillment of the Requirements In Science and Technology III (Chemistry) Presented by: Kenneth Ivan P. Durano Cyrill Val G. Lozano March 6‚ 2010 APPROVAL SHEET This investigatory project entitled “The Synthesis of Aspirin” requirement for Science and Technology III (Chemistry) has
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result in criminal charges being filed. If carried out by individuals unskilled at chemistry they could result in serious bodily harm. MDMA ("Ecstasy") is a semi-synthetic compound which can be made relatively easily from available precursors. Synthesis instructions exist which can be followed by an amateur with very little knowledge of chemistry. However‚ people with less than 2 years of college chemistry experience would probably not be capable of sucessfully synthesizing MDMA‚ and would either
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between a carboxylic acid and an ester. Carboxylic esters‚ like isopentyl acetate‚ are normally used to create artificial flavors. In the preparation of isopentyl acetate‚ esterification of acetic acid and isopentyl alcohol occurs. Esterification is an equilibrium shift to the product side using an excess of one of the starting components. In this experiment‚ the excess reagent is acetic acid because it is not expensive and can easily be removed for the reaction. The acetic acid and isopentyl alcohol
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