Discussion
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- Question
What is the name given to the relaxation process due to an interaction between an excited nucleus and the magnetic fields caused by nuclei in molecules moving around in the sample?
Options- A. Spin - lattice relaxation
- B. Spin - spin relaxation
- C. Spin - spin - spin relaxation
- D. None of these
- Correct Answer
- Spin - lattice relaxation
- 1. What is used to cool the superconducting coil?
Options- A. Hydrogen
- B. Ice
- C. Dry ice
- D. Liquid helium Discuss
- 2. PCR (Polymerase Chain Reaction) can make multiple copies of
Options- A. DNA
- B. RNA
- C. protein
- D. carbohydrate Discuss
- 3. What is approximatively the half life of 32-Phosphorus?
Options- A. 14 days
- B. 28 days
- C. 42 days
- D. 30 days Discuss
- 4. How many different amino acids are there?
Options- A. 3
- B. 20
- C. 100
- D. An infinite number Discuss
- 5. How many molecules of ATP are hydrolysed to form two molecule of ammonia?
Options- A. 10
- B. 5
- C. 16
- D. 15 Discuss
- 6. What is the result of invasion of a body by pathogens?
Options- A. Infection
- B. Inflammation
- C. Swelling
- D. Pus Discuss
- 7. Cytochrome C has an isoelectric pH of
Options- A. 8.5
- B. 10.05
- C. 7.5
- D. 11.05 Discuss
- 8. What is the main source of natural fluoride?
Options- A. Mushrooms
- B. Potatoes
- C. Meat
- D. Water Discuss
- 9. Chylomicrons are synthesized in
Options- A. blood
- B. liver
- C. intestine
- D. pancreas Discuss
- 10. On the ribosome, mRNA binds
Options- A. between the subunits
- B. to the large subunit
- C. to the small subunit
- D. none of these Discuss
More questions
Correct Answer: Liquid helium
Correct Answer: DNA
Correct Answer: 14 days
Correct Answer: 20
Correct Answer: 16
Correct Answer: Infection
Correct Answer: 10.05
Correct Answer: Water
Correct Answer: intestine
Correct Answer: to the small subunit
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