Author Question: What is the structure of the phenylhydantoin derived from the first cycle of the Edman degradation ... (Read 173 times)

ap345

  • Hero Member
  • *****
  • Posts: 537
What is the structure of the phenylhydantoin derived from the first cycle of the Edman degradation of Phe-Ala-Ser?
  A)
 
  D)
 
  B)
 
  E)
 
  C)
 

Question 2

Bradykinin is a nonapeptide, Arg-Pro-Pro-Gly-Phe-Ser-Pro-Phe-Arg. In addition to one mole of Arg, what peptides are present after hydrolysis of bradykinin with chymotrypsin?
  A)
  Arg-Pro-Pro and Gly-Phe and Ser-Pro-Phe
  B)
  Pro-Pro-Gly and Phe-Ser-Pro-Phe-Arg
  C)
  Arg-Pro-Pro-Gly-Phe and Ser-Pro-Phe
  D)
  Arg-Pro-Pro-Gly-Phe-Ser and Pro-Phe
  E)
  Pro-Pro-Gly and Phe-Ser-Pro-Phe-Arg



karlss

  • Sr. Member
  • ****
  • Posts: 321
Answer to Question 1

b

Answer to Question 2

c



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

For a complete list of videos, visit our video library