Question

What is the net charge of the amino acid cysteine at the pH values of: a....

What is the net charge of the amino acid cysteine at the pH values of:

a. 0.5
b. 6
c. 9.5
d. 11.5

Science   Chemistry   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
At what pH is the average net charge on the amino acid: glutamic acid exactly zero?...
At what pH is the average net charge on the amino acid: glutamic acid exactly zero? Assume that the pKs for the ionizable groups on the glutamic acid are 2.1, 4.1, and 9.5. Explain your answer.
At any pH below the pI of the amino acid glycine, it will have: Select one:...
At any pH below the pI of the amino acid glycine, it will have: Select one: a. A net positive charge b. A zero net charge. C. One fully positive and one fully negative charge D. its both carboxyl- and amino groups half dissociated
A solution of 0.146 M cysteine is titrated with 0.0487 M HNO3. The pKa values for...
A solution of 0.146 M cysteine is titrated with 0.0487 M HNO3. The pKa values for cysteine are 1.70, 8.36, and 10.74, corresponding to the carboxylic acid group, thiol group, and amino group, respectively. Calculate the pH at the equivalence point.
A solution of 0.243 M cysteine is titrated with 0.0608 M HNO3. The pKa values for...
A solution of 0.243 M cysteine is titrated with 0.0608 M HNO3. The pKa values for cysteine are 1.70, 8.36, and 10.74, corresponding to the carboxylic acid group, thiol group, and amino group, respectively. Calculate the pH at the equivalence point.
Calculate the overall net charge of the following polypeptide at pH = 12.0, to TWO decimal...
Calculate the overall net charge of the following polypeptide at pH = 12.0, to TWO decimal places. Only add a sign if the answer is NEGATIVE. Gly-Pro-Asp-His-Arg ide chain pKa values of amino acids: Asp 4.0 Glu 5.0 His 6.5 Cys 8.5 Tyr 10.0 Lys 10.2 Arg 12.5 Average N-terminal amino group has pKa = 9.5 Average C-terminal carboxylic acid group has pKa = 2.5
1. What is the net charge of the twenty ribosomally encoded amino acids at pH 7.
1. What is the net charge of the twenty ribosomally encoded amino acids at pH 7.
Explain how to find a charge of a amino acid? Ex Arg ph 7
Explain how to find a charge of a amino acid? Ex Arg ph 7
What is a sign you likely have an acidic amino acid? A. The amino acid has...
What is a sign you likely have an acidic amino acid? A. The amino acid has an NH3 group with a positive charge. B. The amino acid has an oxygen with a negative charge. C. The amino acid has a sulfur atom. D. The amino acid has a ring structure.
Define isoelectric point (pI)? How does it affect net charge on an amino acid? Calculate (show...
Define isoelectric point (pI)? How does it affect net charge on an amino acid? Calculate (show the calculations) the pI for histidine, and aspartic acid. pK values for these amino acids can be obtained from lab manual.
1. Based on pKa values, which amino acid side chains are easiest to protonate and deprotonate...
1. Based on pKa values, which amino acid side chains are easiest to protonate and deprotonate at cellular pH (7.4)? (Choose all that apply) Aspartic Acid Histidine Lysine Serine Arginine Glutamic Acid Cysteine Tyrosine 2. At pH 7.4, which of the amino acid sidechains or R-groups below will be mostly deprotonated? (Chose all that apply) Glutamatic Acid Aspartic Acid Arginine   Tyrosine Serine   Lysine   Histidine Cysteine 3. Acetyltransferase enzymes modify a lysine side chain with an acetyl group. Titration of the...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT