Cell Structure and Compartments problems
- 1. A certain cell organelle which is made of a double phospholipid bilayer that has many large pores in it, is most likely
Options- A. the nuclear envelope
- B. the plasma membrane
- C. the mitochondrion
- D. the cytoskeleton Discuss
Correct Answer: the nuclear envelope
- 2. Microtubules, motor proteins, and actin filaments are all part of
Options- A. the mechanism of photosynthesis that occurs in chloroplasts
- B. the rough ER (endoplasmic reticulum) in prokaryotic cells
- C. the cytoskeleton of eukaryotic cells
- D. the process that moves small molecules across cell membranes Discuss
Correct Answer: the cytoskeleton of eukaryotic cells
- 3. Where in a eukaryotic cell, DNA can be found?
Options- A. Nucleus
- B. Mitochondrion
- C. Vacuole
- D. Both (a) and (b) Discuss
Correct Answer: Both (a) and (b)
- 4. Clearly defined nucleus, mitochondria in a large central vacuole and chloroplasts, indicate the group of organisms from
Options- A. bacteria
- B. fungi
- C. plants
- D. animals Discuss
Correct Answer: plants
- 5. Which of the following structures is expected in a bacterium?
Options- A. Nucleus
- B. Plasma membrane
- C. Golgi apparatus
- D. Endoplasmic reticulum Discuss
Correct Answer: Plasma membrane
- 6. In which of the following cell types more cellular detail can be observed using an electron microscope compared to a light microscope?
Options- A. Animal
- B. Bacterial
- C. Protist
- D. All of these Discuss
Correct Answer: All of these
- 7. According to the fluid mosaic model of cell membranes,
Options- A. the most common type of molecules in the membrane are proteins
- B. basic membrane structure results from how the proteins interact with water
- C. the membrane is a highly mobile mixture of phospholipids and proteins
- D. the unique properties of cell types are determined by their phospholipids Discuss
Correct Answer: the membrane is a highly mobile mixture of phospholipids and proteins
- 8. Which of the following organelles is directly connected to the outer membrane of the nucleus in a eukaryotic cell?
Options- A. Mitochondrion
- B. Lysosome
- C. Golgi apparatus
- D. Endoplasmic reticulum Discuss
Correct Answer: Endoplasmic reticulum
- 9. Which of the following statements about prokaryotes is false?
Options- A. Prokaryotic cells concentrate important materials for the cells survival
- B. The substance known as cytosol is found within the bacterial nucleus
- C. Prokaryotic cells are much smaller than most eukaryotic cells
- D. Ancient prokaryotes may have given rise to some eukaryotic organelles Discuss
Correct Answer: The substance known as cytosol is found within the bacterial nucleus
- 10. Which of the following two organelles look most alike structurally?
Options- A. Nucleus and vesicle
- B. Golgi apparatus and smooth endoplasmic reticulum ER
- C. Vacuole and cytoskeleton
- D. Lysosome and chloroplast Discuss
Correct Answer: Golgi apparatus and smooth endoplasmic reticulum ER
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