secondary structures 1. Draw the structure of a generalised amino acid 2. Using appropriate diagrams‚ show how two amino acids become chemically bonded to one another. Name the bond that is formed The bond that forms between the two amino acids is a peptide bond. This was made on MS paint 3. Using suitable diagrams where necessary‚ describe the primary structure of a protein The primary structure of a protein is a sequence of amino acids with locations of covalent bonds that affects the secondary
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on Earth. Procedure: The charts below lists a portion of the amino acids found in the Cytochrome C protein of several different organisms. Use the chart to compare the amino acid sequence in humans to the sequences of the other organisms listed. For each organism‚ identify any amino acid that is different or missing when compared to the amino acids in the human sequence. 1. Click on the following link to open the activity chart: Amino Acid Sequences in Cytochome-C Proteins. 2. Compare the human/chimpanzee
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chains of amino acids that perform the most important functions in living organism. Every protein will contain an amino group‚ carboxyl group‚ a different R group and an alpha carbon with two hydrogens. There are nine types of functions proteins can have‚ enzymes‚ motor‚ receptor‚ structural‚ storage‚ transport‚ signaling‚ and special purpose proteins(antibodies). There are four levels of protein structure‚ primary‚ secondary‚ tertiary and quaternary. Level one( Primary) deals with amino acid sequencing
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enzyme‚ acts as a catalyst‚ speeding up chemical reactions in the cell. All proteins are composed of the same set of 20 amino acids‚ and each amino acid differs from the other only by the "R group" attached to it. The polymers of those amino acids are called polypeptides‚ and the order of amino acids is vital to the function of the protein. For example‚ if just one amino acid is substituted for another in the primary structure of hemoglobin‚ the protein that carries oxygen in a red blood cell‚
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lab was to find the differences in hemoglobin of gorillas‚ horses‚ and humans Tables: Organism Number of Differences Horse and Gorilla 27 Horse and Human 25 Human and Gorilla 1 Amino Acid Abbreviation Human Gorilla Horse Alanine Ala 14 14 15 Arginine Arg 3 2 4 Aspartic Acid Asp 13 13 14 Cytesine Cys 2 2 1 Glutamic Acid Glu 11 11 13 Glycine Gly 12 13 14 Histidine His 8 8 8 Leucine Leu 17 19 19 Lysine Lys 11 11 11 Methionine Met 1 1 1 Phenylolanine Phe 8 8 8 Proline Pro 7 7 5 Serine Ser 5 5 6 Threonine
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denotes the necessary shape of the complementary molecule. This is easier explained through an example. An example of a polymer‚ is a protein. The monomer used to make up is an amino acid. When two amino acids join together a dipeptide is formed‚ this is then made into a polypeptide chain by the joining of additional amino acids‚ it finally becomes a protein when more than one of these polypeptide chains link to one another in a condensation reaction. Proteins have a variety of functions‚ these functions
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consisting of monomers called amino acids‚ which are made up of carbon‚ hydrogen‚ oxygen and nitrogen. Amino acids are made up of an amino group‚ an R group a carboxyl group and an alpha carbon‚ the different R groups of each individual amino acids determines which amino acid they will form. Amino acids bond through covalent peptide bonds this occurs via a condensation reaction‚ which is when one amino acids hydrogen & oxygen (carboxyl group) and another amino acids hydrogen (amino group) react releasing
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You are an amino acid in the lumen of the small intestine of a newborn mammal. You are looking at intestinal epithelial cells that bring important maternal proteins (immunoglobulins) across their apical surfaces by receptor-mediated endocytosis. Your ambition is to be part of a receptor that does that job. A. beginning from the challenge of entering the cell‚ until you have been loaded onto an appropriate tRNA. Amino acids are the building blocks of protein. Within the small intestine
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Coomassie dye only interacts with certain amino acids such as: arginine‚ histidine‚ lysine‚ tyrosine‚ tryptophan and phenylalanine. However‚ each amino acid has different structure from each other; therefore the Coomassie dye will interact differently with each amino acid. The Coomassie dye molecules are bound to proteins by elctronstatic attraction enhanced by hydrophobic bonding (Tal et al. 1984). Besides the interaction between Coomassie dye and amino acids‚ some compounds can interfere the result
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Milk is the probably the most nutritionally complete food found in nature. Whole milk contains vitamins (principally thiamine‚ riboflavin‚ panthothenic acid and vitamins A‚ B12 and D)‚ minerals (calcium‚ sodium‚ phosphorus‚ potassium‚ and trace minerals)‚ proteins (which include all the essential amino acids)‚ carbohydrates (mostly lactose)‚ and lipids (fats). Whole milk is an oil in water emulsion‚ containing approximately 4% fat dispersed as very small (micron sized) globules. The fat emulsion
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