Biochemistry

Learn the toughest concepts covered in Biochemistry with step-by-step video tutorials and practice problems by world-class tutors

3. Amino Acids

Zwitterion

Next Topic
1

concept

Zwitterion

clock
2m
Play a video:
Was this helpful ?
0
2
Problem

Which shows the proper structure of Leu at physiological pH?

3

concept

Zwitterion

clock
8m
Play a video:
Was this helpful ?
0
4

example

Zwitterion Example 2

clock
2m
Play a video:
Was this helpful ?
0
5
Problem

Fill in the groups for the predominant structure of Ala at pH 13?

6
Problem

Fill in the appropriate groups for Asp at pH 4.3.

7
Problem

Draw the predominant structure of Arg at pH 6.5? (pK a1 = 9.04, pKa2 = 2.17, pKa3 = 12.48).

8
Problem

At what pH would an amino acid bear both a neutral -COOH and a -NH 2 group?