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- Question
Lysosomes are specialized vesicles in __________ that contain digestive enzymes for the breakdown of food. A related organalle known as a vacuole, which is found in __________ , also contains enzymes but in addition may act as a storage organelle for nutrients or water.
Options- A. animals; plants and fungi
- B. plants; animals and fungi
- C. plants and fungi; animals
- D. animals and plants; fungi
- Correct Answer
- animals; plants and fungi
- 1. The highly folded membranes found in such eukaryotic organelles as mitochondria and chloroplasts
Options- A. increase the surface area where key chemical processes can occur
- B. help the cell against physical damage
- C. make it possible to package large amounts of DNA within the cell
- D. assist with cell movement Discuss
- 2. For a typical adsorbent such as silica gel, the most popular pore diameters are
Options- A. 10 and 50 A°
- B. 60 and 100 A°
- C. 100 and 150 A°
- D. 150 and 200 A° Discuss
- 3. In normal phase HPLC, there is a
Options- A. non polar solvent/polar column
- B. polar solvent/non-polar column
- C. non polar solvent/non-polar column
- D. any of the above Discuss
- 4. An isocratic elution in HPLC is one in which the composition of the solvent
Options- A. remains constant
- B. changes continuously
- C. changes in a series of steps
- D. none of these Discuss
- 5. Column efficiency is measured in terms of number of plates which is
Options- A. inversely related to the square of the peak width
- B. directly related to the square of the peak width
- C. inversely related to the cube root of the peak width
- D. directly related to the square of the peak width Discuss
- 6. Which of the following is present in both prokaryotes and eukaryotes?
Options- A. Lysosome
- B. Chloroplast
- C. Plasma membrane
- D. Vacuole Discuss
- 7. In which of the following cell organelles, it is expected to find the biochemical reactions that harness energy from the breakdown of sugar molecules to synthesize large amounts of ATP?
Options- A. Lysosome
- B. Vesicles
- C. Mitochondria
- D. Plasma membrane Discuss
- 8. What do dystrophin, utrophin, actin, and tubulin have to do with eukaryotic cell structure and function?
Options- A. They are components in the reactions of photosynthesis
- B. They all participate in the degradation of large amounts of ATP
- C. They all participate in the production of large amounts of ATP
- D. They are all embedded proteins in plasma membranes Discuss
- 9. An organism's first line of defense against attack by an invader such as a virus or bacterium is usually
Options- A. to flee or hide
- B. its body wall
- C. a specific immune response
- D. a nonspecific immune response Discuss
- 10. Which of the following are responsible causing the diseases?
Options- A. Pathogens
- B. T cells
- C. Lymphocytes
- D. Macrophages Discuss
Cell Structure and Compartments problems
Search Results
Correct Answer: increase the surface area where key chemical processes can occur
Correct Answer: 60 and 100 A°
Correct Answer: non polar solvent/polar column
Correct Answer: remains constant
Correct Answer: inversely related to the square of the peak width
Correct Answer: Plasma membrane
Correct Answer: Mitochondria
Correct Answer: They all participate in the production of large amounts of ATP
Correct Answer: its body wall
Correct Answer: Pathogens
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