Author Question: The -helix is an example of what level of protein structure? 1.primary structure 2.secondary ... (Read 515 times)

Yi-Chen

  • Hero Member
  • *****
  • Posts: 550
The -helix is an example of what level of protein structure?
  1.primary structure
  2.secondary structure
  3.tertiary structure
  4.quaternary structure
  5.both primary structure and secondary structure

Question 2

Which of the following is out of order for the Merrifield solid-phase method of peptide synthesis?
  1.An amino acid is protected as a BOC-derivative.
  2.The BOC-protected amino acid is linked to the polystyrene polymer.
  3.The polymer-bound amino acid is treated with trifluoroacetic acid to remove the BOC group.
  4.A second BOC-protected amino acid is coupled to the first by reaction with DCC.
  5.All of the steps are in the correct order.



yifu223

  • Sr. Member
  • ****
  • Posts: 302
Answer to Question 1

2

Answer to Question 2

5



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

Thyroid conditions may make getting pregnant impossible.

Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

For a complete list of videos, visit our video library