In a solution at physiological pH, the side chain of a polar basic amino acid bears acharge.O PositiveO NegativeO NeutralAbsolute

An amino group and an acid group are present in organic molecules called amino acids. Amino…

Answered: In a solution at physiological pH, the…

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter3: Molecules Of Life

Section: Chapter Questions

Problem 13SA

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Similar questions

The greatest buffering capacity at physiological pH would be provided by a protein rich in which of the following amino acids? Choose one from among the possible answers and explain. Serine Cysteine Alanine Histidine
In a solution with pH ~7 most of the amino acids are form zwitterions. Name the amino acids which are charged positively and negatively and draw them in ionized forms.
Would each of the following ions of serine exist at a pH above, below, or at its pI? Drag the appropriate items to their respective bins. Above pl H₂N-CH-COO CH₂OH H₂N-CH-COOH CH₂OH Below pl H₂N-CH-COO CH₂OH At its pl Reset Help
Perform a peptide coupling reaction to connect the two amino acids together plus if any other reagents to create the green molecule
Which of the following is not true about a-amino acids? have at least 2 pka values O negatively charged at pH = 1.0 most contain one chiral center can act as buffers
What type of intermolecular forces exists between the side chains of each of the following pairs of amino acids? serine and threonine isoleucine and valine arginine and aspartic acid cysteine and cysteine
the overall, net ionic charge on this peptide at pH = 7 would be: Cys - Ala - Glu-Arg - Met - Ser
Which of the following amino acids would be most soluble in water? Group of answer choices glycine at pH 8 proline at pH 6 valine at pH 1 leucine at pH 4 alanine at pH 7
An amino acid has an R-group that is negatively charged at cellular pH. Which of the following categories would best describe it? nonpolar basic acidic uncharged and polar
Which of the following statements is TRUE for nonpolar amino acid residues of polypeptides or proteins in an aqueous solution? None of the above They are hydrophilic and found buried within proteins They are hydrophilic and found on protein surfaces They are hydrophobic and found on protein surfaces They are hydrophobic and found buried within proteins
List all the amino acids you would expect to bind to a cation-exchange column at pH 2.
Which factor is least likely to result in protein denaturation? disruption of weak interactions by boiling O altering net charge by changing pH exposure to detergents addition of a catalyst

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In a solution at physiological pH, the side chain of a polar basic amino acid bears a charge. Positive O Negative O Neutral O Absolute