 
			 
			MCQOPTIONS
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				This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Biochemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. | Cellular DNA is uncondensed throughout ____________ | 
| A. | Prophase | 
| B. | Interphase | 
| C. | Telophase | 
| D. | Anaphase | 
| Answer» C. Telophase | |
| 2. | The sister chromatids separate at ____________ | 
| A. | Prophase | 
| B. | Metaphase | 
| C. | Telophase | 
| D. | Anaphase | 
| Answer» E. | |
| 3. | Chromatin is composed of ____________ | 
| A. | DNA | 
| B. | DNA and proteins | 
| C. | DNA, RNA and proteins | 
| D. | None | 
| Answer» D. None | |
| 4. | The DNA threads which appear inside the nucleus at the time of cell division? | 
| A. | Spindle fibers | 
| B. | Centrioles | 
| C. | Asters | 
| D. | Chromosomes | 
| Answer» E. | |
| 5. | CELLULAR_DNA_IS_UNCONDENSED_THROUGHOUT?$ | 
| A. | Prophase | 
| B. | Interphase | 
| C. | Telophase | 
| D. | Anaphase | 
| Answer» C. Telophase | |
| 6. | The sister chromatids separate a? | 
| A. | Prophase | 
| B. | Metaphase | 
| C. | Telophase | 
| D. | Anaphase | 
| Answer» E. | |
| 7. | Which of the following histones shows more sequence similarity among eukaryotic species? | 
| A. | H1 | 
| B. | H2A | 
| C. | H2B | 
| D. | H3 | 
| Answer» E. | |
| 8. | Which of the following has beads on a string structure? | 
| A. | Chromosomes | 
| B. | Chromatin | 
| C. | Nucleosomes | 
| D. | Heterochromatin | 
| Answer» D. Heterochromatin | |
| 9. | Which of the following histones bind to linker DNA? | 
| A. | H1 | 
| B. | H2A | 
| C. | H2B | 
| D. | H3 | 
| Answer» B. H2A | |
| 10. | Chromatin is composed of | 
| A. | DNA | 
| B. | DNA and proteins | 
| C. | DNA, RNA and proteins | 
| D. | None | 
| Answer» D. None | |
| 11. | Which of the following are essential to the condensation of chromosomes as cells enter mitosis? | 
| A. | Cohesins | 
| B. | Condensins | 
| C. | Histones | 
| D. | Topoisomerases | 
| Answer» C. Histones | |
| 12. | Which of the following plays a substantial role in linking together sister chromatids immediately after replication? | 
| A. | Cohesins | 
| B. | Condensins | 
| C. | Histones | 
| D. | Topoisomerases | 
| Answer» B. Condensins | |
| 13. | Which of the following is not a major class of chromatin proteins? | 
| A. | Histones | 
| B. | Topoisomerases | 
| C. | SMC proteins | 
| D. | Cohesins | 
| Answer» E. | |
| 14. | The DNA threads which appear inside the nucleus at the time of cell division | 
| A. | Spindle fibers | 
| B. | Centrioles | 
| C. | Asters | 
| D. | Chromosomes | 
| Answer» E. | |