biology

posted by .

If the side chain of a glutamic acid residue has a pKa of 4.1, at pH 6.1 the ratio of uncharged to charged side chain would be about
A. 100:1
B. 10:1
C. 1:1
D. 1:10
E. 1:100

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Jennifer

    Is the side chain of lysine polar or nonpolar?
  2. Biochemistry

    Find the net charge of cysteine at pH 8.75 using the follwing pka values: carboxyl group has pka=1.9 amino group pka= 10.7 side chain=8.4
  3. nutrition

    A fatty acid that contains a chain of 10 carbons and one double bond is termed a: a)monounsaturated,medium chain fatty acid. b)saturated,medium chain fatty acid. c)monounsaturated,long chain fatty acid. d)saturated,long chain fatty …
  4. Biochemistry

    Assuming pKa values of 3.8 for the a-COOH and 8.5 for the a-amino groups and that the numbers in parentheses indicate the pKa values of side chain groups, at what pH would electrophoresis provide the best resolution of the following …
  5. biology

    Where would you be most likely to find a phenylalanine side chain?
  6. Hydrogen bonding with polypeptides

    In a polypeptide at physiologic pH, hydrogen bonding may form between which of the following?
  7. Newton's law

    7. A uniform flexible chain of length l, with weight per unit length lamba, passes over a small, frictionless, massless pulley. It is released from a rest position with a length of chain x hanging from one side and a length l-x from …
  8. PLEASE HELP BIO

    If the side chain of a glutamic acid residue has a pKa of 4.1, at pH 6.1 the ratio of uncharged to charged side chain would be about A. 100:1 B. 10:1 C. 1:1 D. 1:10 E. 1:100 -i HAVE NO IDEA Which of the following amino acids has a …
  9. Chemistry

    Glutamic acid is triprotic amino acid with pKa values of 2.23, 4.42, and 9.95. You are given a 0.100 M solution of it in its fully protonated form (H3A). How many moles of KOH must be added to 100 mL of this solution to make a solution …
  10. Biochemistry

    All amino acids have two ionizable groups (an alpha-amino group with pKa~9.3, and an alpha-carboxyl group with pKa~2.2). Lysine also has an ionizable side-chain (R) with a pKa of 10.5. What percentage of the Lysine side chain is deprotonated …

More Similar Questions