Sinh ck2
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Câu 1. What does CK2 stand for in Sinh CK2?
- A. Cytokinin
- B. Casein Kinase 2
- C. Cytoplasmic Kinase 2
- D. Carnitine Kinase 2
Câu 2. What is the primary function of CK2?
- A. Cell division
- B. Protein phosphorylation
- C. Energy production
- D. DNA replication
Câu 3. Where is CK2 located in the cell?
- A. Mitochondria
- B. Nucleus
- C. Cytoplasm
- D. All of the above
Câu 4. CK2 is involved in which of the following cellular processes?
- A. Protein synthesis
- B. Cell cycle control
- C. DNA repair
- D. All of the above
Câu 5. CK2 is a ______ kinase.
- A. Serine/threonine
- B. Tyrosine
- C. Aspartate
- D. Histidine
Câu 6. The activity of CK2 is influenced by which of the following?
- A. pH levels
- B. Temperature
- C. Cellular stress
- D. All of the above
Câu 7. CK2 plays a role in which of the following diseases?
- A. Cancer
- B. Alzheimer's
- C. Cardiovascular diseases
- D. All of the above
Câu 8. Which subunits make up the CK2 holoenzyme?
- A. Alpha and beta
- B. Alpha and gamma
- C. Beta and gamma
- D. Alpha, beta and gamma
Câu 9. What is the function of the beta subunit in CK2?
- A. It is the catalytic subunit
- B. It is the regulatory subunit
- C. It degrades the CK2 enzyme
- D. It is not part of the CK2 enzyme
Câu 10. Which of the following is true about CK2?
- A. It is always active
- B. It is only active during cell division
- C. It is only active when bound to a substrate
- D. None of the above
Câu 11. How does CK2 contribute to cell survival?
- A. By promoting cell cycle progression
- B. By preventing apoptosis
- C. By protecting the cell from oxidative stress
- D. All of the above
Câu 12. CK2 is considered a _______ target for cancer therapy.
- A. Poor
- B. Promising
- C. Unlikely
- D. Proven
Câu 13. Which of the following is a CK2 inhibitor?
- A. TBB
- B. Imatinib
- C. Rapamycin
- D. Cyclosporin A
Câu 14. How many isoforms of the alpha subunit of CK2 are there?
- A. 1
- B. 2
- C. 3
- D. 4
Câu 15. Which of the following is a substrate for CK2?
- A. p53
- B. Akt
- C. STAT3
- D. All of the above
