If you were to have a mythical amino acidbased on glutamic acid, but one in which the hydrogen that isattached to the g-carbon were replaced by another amino group,what would be the predominant form of this amino acid at pH 4,7, and 10, if the pKa value were 10 for the unique amino group?

Q: Consider the following tetrapeptide, written in a sequence according to normal convention, from left…

A: The given tetrapeptide has an acidic residue at the first position, the second residue is cysteine,…

Q: Which of the following statements best describes the hydrophobic character of bacteriorhodopsin…

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Q: Which amino acid is the least hydrophobic?

A: Note: You have posted multiple questions. So, we will solve the first one for you. If you want any…

Q: Amino Acids

A: Amino acids:These are the fundamental building blocks of proteins.These play essential roles in the…

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A: pI or isoelectric point of an amino acid is the pH at which the net charge on an amino acid is zero.

Q: a) Draw amino acid (L- Cysteine) and determine the net chagre at each pH (1-3-7-10-13-) b) Calculate…

A: Amino acids are biomolecules with a hydrogen atom, an amino group, a carboxyl group and a chemically…

Q: What is the predominant form of each of the following amino acids at pH = 11? What is the overall…

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Q: Draw a peptide that includes Phenylalanine, Cysteine, Tyrosine and Tryptophan. Label them by name…

A: Draw a peptide that includes Phenylalanine, Cysteine, Tyrosine and Tryptophan. Label them by name…

Q: Unconfirmed rumour has it that the NASA Curiosity rover may have found evidence for the existence of…

A: pI or isoelectric point of an amino acid is the pH at which the net charge on an amino acid is zero.…

Q: 4) Using the pK, data found in the supplied chart, determine the predominant charge of each amino…

A: Amino acid is amphoteric in nature i.e it can act as both acid as well as . This property is due…

Q: 2) For the following amino acids, encircle those with a net charge of -2 at high pH underline those…

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Q: for the following amino acids below circle the r groups then tell me if they are polar or nonpolar

A: Contain polar side chains.Interact well with water due to the presence of polar groups like hydroxyl…

Q: which two amino acid have two chiral center？ I know Isoleucine contain two chiral center，how about…

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Q: Sulfur Containing Amino Acid Hydroxy Containing Amino Acid

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Q: Amino acid Histidine Glycine Aspartate pka values 1.8 6.0 9.2 2.3 9.6 2.1 3.9 9.8 T.A. pl value Ivom…

A: Finding pI: pI of an amino acid can be calculated by taking the average of the pKa values  of the…

Q: need help to 1）hand draw the dipeptides that contains Glutamic acid and Proline. 2）hand draw the…

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Q: Consider the following pKa values: terminal amino group: 9.5; C = 8.2; Y = 10.1; K= 10.5; terminal…

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Q: Draw the peptide ASK(ala-ser-lysine) with proper stereochemistry? what is its pI(isoelectric…

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Q: Serine and threonine can both be directly deaminated during amino acid metabolism. What else do…

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Q: net charge of this peptide at a pH of 1, 7, and 15

A: PKa value is actually a number which denotes the pH at which a group is half deprotonated. It…

Q: Despite being hydrophobic, why is methionine (Met) not located within a protein?

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Q: (a) A decapeptide has the following amino acid composition: Alaz, Arg, Cys, Glu, Gly, Leu, Lys, Phe,…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Ornithine is an amino acid that is not used in the synthesis of proteins, but is an important…

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Q: Two of the 20 common amino acids have two chiral carbon atoms in their structures. Identify these…

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Q: Are phosphate groups considered negatively charged and acidic (because the negative charge is due to…

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Q: You have discovered a new amino acid that you name in honor of your favorite course.…

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Q: Draw the amino acid below in its most protonated form, any intermediately protonated forms, and its…

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Q: Describe the amino acid illustrated here (Identify the following amino acid (at pH = 7.0):…

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Q: Describe the amino acid illustrated above (at pH = 7.0). (the following amino acid at pH = 7…

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Q: Sketch a titration curve for the amino acid cysteine, and indicate the pKavalues for all titratable…

A: Cystine is a proteogenic amino acid that has a thiol side chain. The thiol group of cysteine is…

Q: Unk

A: Answer Titration is a common technique to know the concentration of the analyte.