Show the Dehydration Synthesis reaction that occurs to form a dipeptide containing the following amino acids: cysteine and serine leucine and lysine i) ii)
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- 1. Write the reversible reactions with its corresponding enzymes of Dehydration viaHydrolysis reaction. a.) A tripeptide between lysine, alanine and arginine1. a. Explain why the melting point of palmitic acid (16 carbons, no double bonds) is slightly lower thanthat of stearic acid (18 carbons, no double bonds). Explain why the melting point of oleic acid (18carbons, one double bond) is lower than that of stearic acid b. A mixture of lipids containing phosphatidic acid, cholesterol, testosterone, phosphatidylserine, andphosphatidylethanolamine was applied to a hydrophobic interaction chromatography column. Thecolumn was washed with a high salt buffer, and the lipids were then eluted with decreasing saltconcentrations. In what order would the lipids be eluted from the column? Explain your answer.1. Explain why sucrose is non reducing sugar?
- 1. Name the amino acids present in this peptide bond. 2. The structure shown represent a major ingredient in some commerial product. Identify the name of this major ingredient and the commercial product.1. The antibiotics puromycin and erythromycin are known inhibitors of protein synthesis. (a) Which part of the protein synthesis is affected by each antibiotic? (b) What could be the reason why one of them is more effective than the other one when they are given in the same dose?1. Draw three-dimensional representations of the following amino acids. Explain theirstructures.(a) L-phenylalanine(b) L-histidine(c) D-serine(d) L-tryptophan
- D raw the full structure of the following tetrapeptide . Label the N terminaland C terminal residues. Phe - Cys - Ser - Ile18. Name the type of biomolecules shown below:The first and major effect in denaturation of proteins is that: a. peptide bonds break. b. helices unwind. c. sheet structures unfold. d. tertiary structure is changed. e. quaternary structures disassemble.