Cell MCQ Quiz | Microanatomy

1. The Fluid Mosaic Model of the plasma membrane primarily describes it as:

2. Which organelle is primarily responsible for ATP synthesis through oxidative phosphorylation?

3. The synthesis of proteins destined for secretion from the cell occurs primarily on:

4. Which of the following is a primary function of the Smooth Endoplasmic Reticulum (SER)?

5. The cis-face of the Golgi apparatus is typically oriented towards the:

6. Which organelle contains acid hydrolases and is involved in the breakdown of macromolecules and old organelles?

7. The major function of peroxisomes is the breakdown of:

8. Which structure regulates the passage of molecules between the nucleus and the cytoplasm?

9. Keratins, neurofilaments, and vimentin are all examples of:

10. The cell junction that provides a direct channel for communication between the cytoplasm of adjacent cells is the:

11. Glycogen granules, often seen in liver and muscle cells, are examples of:

12. The phase of the cell cycle where DNA replication occurs is:

13. Programmed cell death, characterized by cell shrinkage, chromatin condensation, and formation of apoptotic bodies, is known as:

14. The characteristic “9 + 2” arrangement of microtubules is found in the axoneme of:

15. The process by which a cell engulfs large solid particles, such as bacteria, is termed:

16. The degradation of short-lived, abnormal, or misfolded proteins is primarily carried out by:

17. In the nucleus, transcriptionally active, less condensed chromatin is referred to as:

18. The nucleolus is the primary site of:

19. Which cytoskeletal component is responsible for forming the contractile ring during cytokinesis?

20. The primary microtubule-organizing center (MTOC) in most animal cells is the:

21. The basal lamina is a specialized layer of the extracellular matrix composed primarily of collagen type IV, laminin, and:

22. Which of the following is an example of a cell surface receptor that activates an intracellular signal cascade via a G-protein?

23. Tay-Sachs disease is a lysosomal storage disease caused by a deficiency in which type of enzyme?

24. The inner mitochondrial membrane is highly folded into cristae. This serves to:

25. Lipid rafts are specialized microdomains within the plasma membrane that are enriched in: