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Home ‣ Biochemistry ‣ Vitamins and Coenzymes See What Others Are Saying!
- Question
The vitamin niacin is part of the __________ molecule.
Options- A. ferredoxin
- B. pyridoxal phosphate
- C. pyrophosphate
- D. NAD+
- Correct Answer
- NAD+
- 1. Which of the Rous sarcoma virus has a homologous cellular protein?
Options- A. c-src
- B. v-src
- C. v-ha-src
- D. v-ha-ras Discuss
- 2. HPLC stands for
Options- A. High Pressure Liquid Chromatography
- B. High Performance Liquid Chromatography
- C. both (a) and (b)
- D. Highly Placed Liquid Chromatography Discuss
- 3. If protein is made exclusively from nonpolar amino acids, then it will this protein interact with water?
Options- A. be repelled by water
- B. It will be attracted to water
- C. It will form a membrane in water
- D. It will act as a buffer and stabilize the pH Discuss
- 4. In the equation, A = ? bc, what quantity is represented by "?"?
Options- A. Absorbtivity
- B. Molar absorbtivity
- C. Path length
- D. None of these Discuss
- 5. Which of the following will oscillate the fastest?
Options- A. A large mass on a weak spring
- B. A large mass on a stiff spring
- C. A small mass on a stiff spring
- D. A small mass on a weak spring Discuss
- 6. Which of the following is the best criterion for deciding whether a cell is prokaryotic or eukaryotic?
Options- A. The cell came from a single-celled or multicelled organism
- B. The cell has a nucleus or not
- C. The cell has cytosol or not
- D. DNA is present in the cell or not Discuss
- 7. Which of the following structures or processes are logically associated with chloroplasts?
Options- A. Plant cells
- B. Chlorophyll
- C. Thylakoid membranes
- D. All of these Discuss
- 8. Why are rotational transitions of little use to a spectroscopist?
Options- A. Because the energy required to induce a rotational transition is so small that it cannot be measured
- B. Because rotational transitions are extremely rare
- C. Because, in liquids and solids, spectral lines corresponding to rotational transitions are broadened as the result of molecular collisions and other interactions
- D. All of the above Discuss
- 9. The dissociation constant of H2O at 25° C is
Options- A. 10-14 M
- B. 1014 M
- C. 10-7 M
- D. 107 M Discuss
- 10. What would be the molecular formula for a polymer made by linking ten glucose molecules together by dehydration synthesis, if molecular formula for glucose is C6H,206?
Options- A. C60H100O50
- B. C60H120O60
- C. C60H102O51
- D. (C6H12O6)10 Discuss
More questions
Correct Answer: c-src
Correct Answer: both (a) and (b)
Correct Answer: be repelled by water
Correct Answer: Molar absorbtivity
Correct Answer: A small mass on a stiff spring
Correct Answer: The cell has a nucleus or not
Correct Answer: All of these
Correct Answer: Because, in liquids and solids, spectral lines corresponding to rotational transitions are broadened as the result of molecular collisions and other interactions
Correct Answer: 10-14 M
Correct Answer: C60H102O51
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