1-The net charge of the the tripeptide Asp-Asp-Asp at pH 1.00? a. 0 b. -3 c. -4 d. +1 e. -2 2-The net charge of the tripeptide Asp-Asp-Asp at pH 12.00 ? a. 0 b. -3 c. -4 d. +1 e. -2 How to calculate?
Phenylalanine at pH 7 would have a charge. 0 -1 1 2 0 -2
Can someone explain how these work?
4. For a solution of Cys (C), at what pH would the net charge be closest to 1? a) 10.7 b) 8.4 c) (1.9-8.4)/2 = 5.5 d) (10.7 + 8.4)/2 = 9.55 5. For a solution of Tyr (Y), what percentage of the side chain R group's OH would be deprotonated at pH = 10.5? a) 0% b) 25% c) 50% d) 100% 6. For the peptide His -Asp-Gln-Glu-Ala- Lys (HDQEAK), what would be...
33) What is the overall charge of the amino acid, alanine, at pH 10? 33) B)-1 D) No overall charge 34) As applied to the chemistry of amino acids, what is the definition for the isoelectric 34) point? A) The pH at which the amino acid exists primarily in its neutral form. B) The pH at which the amino acid exists primarily in its acidic form. C) The pH at which the amino acid exists as a mixture of isomers....
please show me how to solve for these three questions below. a) what is the charge due to a glutamyl group in the middle of a protein at pH 1? b) at pH 15, what is the net charge of glutamate? c) at pH 15, what is the net charge of glycerol phosphate?
#1) For the following pentapeptide (Where pH =1):
a) What would the net charge be for the following pH?
pH 0 =
pH 3 =
pH 5 =
pH 7 =
pH 10 =
pH 13 =
b) Calculate the pl of the pentapeptide. (Cysteine: pK1 = 1.96,
pK2 = 10.128) ( Glutamine: pK1 = 2.17 , pK2 = 9.13) (Arginine: pK1
= 2.17. pK2 = 9.04) (Leucine: pK1 = 2.36 , pK2 = 9.60)
c) If you were to...
7. What is the pH of a sol a. 5.72 b. 4.27 c. e pH of a solution containing 5.3 x 10% M hydroxide ion concentration? d.-4.27 e.-9.72 9.72 what is the pH of a solution containing 6 mM acetic acid (K, of acetic acid is 1.8 x 10) a. -0.77 d. 2.92 b. 1.98 e. 3.49 C. 2.22 9. One of the strongest acids known is called fluorosulfonic acid, HSO3F (pka --10). What the pOH of 1M of this...
-Match the charge on phenylalanine at different pH: 1) pH=1 2) physiological pH 3) pH=10 a) -1 b) +1 c) 0
what is the charge on the chromium ion in Cr2O3. a -3 b -2 c 0 d +2 e +3 and how to determine the charge on transition metals
1) The dominant charge on deoxythymidine triphosphate at pH = 7 is 2) What amino acid sequence is encoded by the codon sequence ACGAAAGAGAGCUUU? (Use the 3-letter amino acid abbreviations with hyphens and no spaces in between, i.e. Ser-Asn-Tyr-Leu-Pro.)