nmdcat.online
BIO NMDCAT Cytoplasmic Organelles
nmdcat.online July 4, 2026

11. Disassembly of the nuclear lamina and fragmentation of the nuclear envelope during the early phases of cell division is directly induced by the

A. Dephosphorylation of lamin proteins
B. Phosphorylation of lamin proteins
✓
C. Acetylation of histone complexes
D. Hydrolysis of nuclear lipids

📝 Explanation

Cyclin-dependent kinases phosphorylate nuclear lamins, causing the intermediate filaments to depolymerize and dismantle the nuclear structural border.

📖 Additional Information

  • Dephosphorylation of lamin proteins
  • Phosphorylation of lamin proteins
  • Acetylation of histone complexes
  • Hydrolysis of nuclear lipids

Cyclin-dependent kinases phosphorylate nuclear lamins, causing the intermediate filaments to depolymerize and dismantle the nuclear structural border.

🔗 Share This Question

Facebook Twitter LinkedIn WhatsApp

🧭 Navigate Questions

Previous Question

10. The specific chromosomal segments containing the genetic instructions for ribosomal RNA synthesis that organize the nucleolus are known as

Next Question

12. A block in the export pathway of messenger RNA from the nucleus to the cytoplasm would result in a direct decrease in the operational activities of

Back to All Questions

🔗 Related MCQs

An increase in the incidence of ectopic pregnancies within a population can often be epidemiologically correlated with a prior increase in the prevalence of which sexually transmitted disease?
July 16, 2026
In the life cycle of Herpes Simplex Virus 2 (HSV-2), the virus travels along nerve fibers to reach the sensory ganglia. The cellular mechanism responsible for this retrograde transport utilizes:
July 16, 2026
A defining characteristic of the lesions associated with the secondary stage of syphilis is that they:
July 16, 2026
The causative agent of genital herpes, HSV-2, is enveloped. The biological significance of this viral envelope in the context of transmission is that it makes the virus:
July 16, 2026
The structural basis for the severe cardiovascular complications seen in tertiary syphilis, such as aortic aneurysms, is the chronic inflammation and destruction of:
July 16, 2026

Categories

View all →