MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Biochemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following is an invagination of the muscle cell’s sarcolemma? |
| A. | Cisternae |
| B. | Microtubules |
| C. | T tubules |
| D. | Sarcoplasmic reticula |
| Answer» D. Sarcoplasmic reticula | |
| 2. |
The connective tissue that surrounds individual fibers is __________ |
| A. | Fascia |
| B. | Epimysium |
| C. | Endomysium |
| D. | Perimysium |
| Answer» D. Perimysium | |
| 3. |
Sarcomere is a part between __________ |
| A. | 2 I bands |
| B. | 2 Z bands |
| C. | 2 A bands |
| D. | 2 H bands |
| Answer» C. 2 A bands | |
| 4. |
The contractile unit consisting of bundles of thick filaments interleaved at either end with those of thin filaments is? |
| A. | Myofibril |
| B. | Cross bridges |
| C. | Z band |
| D. | Sarcomere |
| Answer» E. | |
| 5. |
The cross bridges involved in muscle contraction are located on the __________ |
| A. | Myosin myofilaments |
| B. | Actin myofilaments |
| C. | Tropomyosin |
| D. | Dystrophin |
| Answer» B. Actin myofilaments | |
| 6. |
Contractile protein of a muscle is __________ |
| A. | Troponin |
| B. | Myosin |
| C. | Tubulin |
| D. | Tropomyosin |
| Answer» C. Tubulin | |
| 7. |
THE_CONNECTIVE_TISSUE_THAT_SURROUNDS_INDIVIDUAL_FIBERS_IS?$ |
| A. | Fascia |
| B. | Epimysium |
| C. | Endomysium |
| D. | Perimysium |
| Answer» D. Perimysium | |
| 8. |
Which_of_the_following_is_an_invagination_of_the_muscle_cell’s_sarcolemma?$# |
| A. | Cisternae |
| B. | Microtubules |
| C. | T tubules |
| D. | Sarcoplasmic reticula |
| Answer» D. Sarcoplasmic reticula | |
| 9. |
Which of the following is the smallest division? |
| A. | Actin |
| B. | Fiber |
| C. | Fibril |
| D. | Filament |
| Answer» B. Fiber | |
| 10. |
Sarcomere is a part between |
| A. | 2 I bands |
| B. | 2 Z bands |
| C. | 2 A bands |
| D. | 2 H bands |
| Answer» C. 2 A bands | |
| 11. |
The contractile unit consisting of bundles of thick filaments interleaved at either end with those of thin filaments is |
| A. | Myofibril |
| B. | Cross bridges |
| C. | Z band |
| D. | Sarcomere |
| Answer» E. | |
| 12. |
The cross bridges involved in muscle contraction are located on the |
| A. | Myosin myofilaments |
| B. | Actin myofilaments |
| C. | Tropomyosin |
| D. | Dystrophin |
| Answer» B. Actin myofilaments | |
| 13. |
Which of the following contractile protein of skeletal muscle involve in ATPase activity? |
| A. | Troponin |
| B. | Myosin |
| C. | Tubulin |
| D. | Tropomyosin |
| Answer» C. Tubulin | |
| 14. |
Contractile protein of a muscle is |
| A. | Troponin |
| B. | Myosin |
| C. | Tubulin |
| D. | Tropomyosin |
| Answer» C. Tubulin | |
| 15. |
Light band has which of the following filament protein? |
| A. | Actin |
| B. | Myosin |
| C. | Actin and myosin |
| D. | None of these |
| Answer» B. Myosin | |