"Amino Acid" Essays and Research Papers

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Amino Acid

Amino Acids Amino acids are biologically organic compounds containing amine and carboxylic acid functional groups, usually along with a side-chain specific to each amino acid. The elements that are key of an amino acid are carbon, hydrogen, oxygen, and nitrogen. There are about 500 different kinds of amino acids found but we recognize 23 of the amino acids that are known, they are classified into three groups, essential semi-essential, and non-essential. Each amino acid has unique characteristics...

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Amino acids

AMINO ACIDS SUSMITA DAS SWAPNA MONDAL OBJECTIVES  To study about Amino acids.  To study the classifications of amino acids based on different headings.  To study the functions of amino acids. INTRODUCTION  Amino acids:• Amino acids are monomers of protein. • Amino acids are group of organic compounds which contain two functional groups. One is Amino group(NH2) and the other is Carboxyl group(COOH). • Proteins are broken down into amino acids on hydrolysis. • Each amino acid also have a...

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Amino Acids

Amino acids are the building blocks of proteins. Amino acids bind together to form polypeptide chains, and these polypeptides fold and coil together into specific conformations to form proteins. There are 20 different amino acids, each amino acid consisting of four distinct partners. The first is a carboxyl group. A carboxyl group has very weak acids that are able to donate hydrogen ions to biological reactions. The second partner is the amino acid group. Amino acid groups act as the base which,...

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Amino Acids

structures and properties of amino acids know the groups of amino acid What are amino acids? Amino acids are molecules that when combined with each other  proteins. Amino acids contain a central tetrahedral carbon atom (α-carbon) amine group, carboxyl group, R-side chain The R-side chain determines the different amino acids There are 20 common amino acidsAmino acids can join via peptide bonds Several amino acids occur only rarely in proteins Some amino acids are not found in proteins...

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Amino Acid Becoming A Membrane Transporter

Amino acid present in the lumen of the small intestine The goal is to cross through the epithelial cell membrane to enter into the epithelial cell’s cytoplasm – its charged cuz of side chains To get through the membrane the amino acid must cross the Simple columnar epithelial cells lining the apical surface of the small intestinal tract. These cells are impermeable to any harmful bacteria that may be ingested by the body, but permeable to necessary ions. Absorption of amino acids occurs...

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Amino Acid Chromatography

Abstract In this experiment paper chromatography was used in order to identify two unknown amino acids using eight known amino ones. The two unknown ones were identified by comparing the distance they travelled up the chromatography paper and their Rf values to the corresponding values of the other eight known amino acids. The unknown amino acids identified were Glycine and Methionine. Introduction Proteins in cells are important in many ways. There are different types of proteins such as...

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Electrophoresis of Amino Acids

Electrophoresis of Amino Acids Introduction: Electrophoresis is a separation technique based on the movement of charged ions under the influence of an electrical field. This technique is primarily used for the separation of amino acids and peptides on the basis of their charge. All amino acids contain ionizable groups that cause the amino acids, in solution, to act as charged polyelectrolytes that can migrate in an electric field. The amino acids with a net positive charge will migrate toward...

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Fractionation of Amino Acid

Result: Part A: Table 1: Fractionation of amino acid Fraction No | Response to Ninhydrin test(level of blue colour change) | Response to Sakaguchi test (colour change) | 1 | X | yellow | 2 | Dark blue | yellow | 3 | Dark blue | Pale orange | 4 | Blue | Pale orange | 5 | Pale blue | Pale orange | 6 | Blue | Pale orange | 7 | Pale blue | Pale orange | Discussion Part A In the separation and purification of a single protein or amino acids, a solution containing the desired analyte...

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Amino Acid Metabolism

non-essential amino acids, amino acid remodeling, and conversion of non-amino acid carbon skeletons into amino acids and other derivatives that contain nitrogen. However, the liver is the major site of nitrogen metabolism in the body. In times of dietary surplus, the potentially toxic nitrogen of amino acids is eliminated via transaminations, deamination, and urea formation; the carbon skeletons are generally conserved as carbohydrate, via gluconeogenesis, or as fatty acid via fatty acid synthesis pathways...

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proteins and nucleic acids

PROTEINS AND NUCLEIC ACIDS 28/11/13 Qn. Which two of the four macromolecules do you believe to be the most important for life? Give evidence to support your suggestion (include a full description of the macromolecules you describe both in terms of structure and function) Introduction All the four macromolecules=lipids, proteins, carbohydrates and nucleic acids= are essential for the functioning of an organism's body (Campbell, biology). They work hand in hand to help us survive. For example...

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