Protein Engineering Practice Test 4

1. If a beam of X – ray has energy E=30 x 10^-16J, what will be the frequency of this wave?

2. Which of the following is not a component needed for the X – ray crystallography of proteins?

3. Which component of the mass spectrometers produces a beam of charged particles characteristic of the sample?

4. Which of the following radiation is also referred to as Rontgen radiation?

5. Which of the following radiations carry enough energy to ionize atoms and disrupt molecular bonds?

6. NMR spectroscopy cannot be used to study which of the following?

7. What are the different frequencies obtained as NMR peaks called?

8. Which of the following isotope is NMR inactive?

9. X – ray crystallography requires the formation of pure crystals to acquire accurate results.

10. In the sitting drop vapour diffusion method the protein drop is suspended from a coverslip over the reservoir.