Discussion
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- Question
Which of the following conditions would cause the release of the lac repressor protein from the lac operator site on DNA?
Options- A. Presence of glucose in the growth media
- B. Presence of lactose in the growth media
- C. Presence of IPTG (isopropyl thiogalactoside) in the growth media
- D. Both (b) and (c)
- Correct Answer
- Both (b) and (c)
- 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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