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- Some characteristics of three proteins are listed in the table below: Protein Molecular Weight (Da) Isoelectric point (pI) Does the Protein Contain a heme moiety? 1 25,000 4.5 Yes 2 77,500 10.8 No 3 75,000 4.9 No a) Could gel filtration chromatography be used to separate a mixture containing Protein 1 and 2? Clearly explain why or why not. If it can be used, which protein would elute last (clearly explain why)? After collecting the fractions from the column, the absorbance of each fraction will be measured using a spectrophotometer. Can both proteins 1 and 2 be monitored at 280nm and 400nm (clearly explain)? b) Which 2 proteins listed in the table above could be separated by ion exchange chromatography but NOT by gel filtration? Why? c) Which 2 proteins listed in the table above could be separated by gel filtration chromatography but NOT by ion exchange chromatography? Why?Some characteristics of three proteins are listed in the table below: Protein Molecular Weight (Da) Isoelectric point (pI) Does the Protein Contain a heme moiety? 1 75,000 5.0 No 2 12,500 4.8 No 3 73,000 9.8 Yes a. What type of chromatography separates proteins based on their size? b. What type of chromatography separates proteins based on their charge? c. Could gel filtration chromatography be used to separate a mixture containing Protein 2 and 3? Clearly explain why or why not. If gel filtration chromatography can be used to separate Protein 2 from Protein 3, which protein would elute first (clearly explain why)? After collecting the fractions from the column, the absorbance of each fraction will be measured using a spectrophotometer. Can both proteins (Protein 2 and Protein 3) be monitored at 280nm and 400nm (clearly explain)? d. Which 2 proteins listed in the table above could be separated by ion exchange chromatography but NOT by…A protein has a molecular weight of 24kDa. You want a 0.5µM solution of the protein in 75mL. How much of the protein do you add (in micrograms)?
- Which two types of bonding are in the 1ubq (Ubiquitin)? Explain your choices. a) Hydrogen bonding b) Ionic bonding c) Covalent bonding d) Disulfide bondingAmino acid polymers consisting of more than 50 amino acids are called _____________.choices:purine or pyrimidine ribose or deoxyribose 1-9? hydrogen or phosphodiester 1-9? an -OH or no -OH 1-9?
- When two simple proteins, A and B, are separately hydrolysed and subjected to amino acid analysis, they yield exactly the same results in terms of the number and type of amino acids. Can you confidently conclude that the two proteins have the same primary structure? Justify your answer.Glucose can be used as a monomer to produce two different polymers, starch and cellulose. What is the molecular difference between these two?Please explain the following terms: Chirality Enantiomer Stereoisomer Diastereomer
- A 0.5µM solution of the protein in 75mL is what you want. In micrograms, how much of the protein do you add? A protein has a molecular weight of 24kDa.Select all that apply, meaning there can be more than one correct answer Common factors affecting menbrane fluidity include a.) Temperature. b.) presence of cholesterol c.) number of double bonds in the fatty acid chains. d.) length of phospholipid fatty acid chains Which of the following methods can seperate proteins based on their mass? a.) centrifugation b.) gel filtration chromatography c.) SDS polyacrylamide gel electrophoresis d.) ion exhange chromatographyCould you please help me with this question? I am struggling. Thanks in advance. Describe the four levels of protein structure: primary, secondary, tertiary, and quarternary.