Consider the following statements regarding the ultrastructure of the nucleolus and choose the correct answer:
1. The matrix or pars amorpha of the nucleolus is heterogeneous
2. The chromatin is Feulgen positive
3. The fibrils, 80 - 100 A in diameter, contain RNA and are probably the precursors of the granules
4. Ribonucleoprotein granules make up the pars granulosa
A. Only 1, 2 and 3 are true
B. Only 2, 3 and 4 are true
C. Only 3 and 4 are true
D. 1, 2, 3 and 4 are true
Answer: Option B
This Question Belongs to Biology GK Chapter Wise >> Cell Biology
Related Questions on Cell Biology
The plasma membrane is covered by a cell wall in cells of
A. Plants
B. Bacteria
C. Fungi and Algae
D. All of the above
A. Robert Brown
B. Schleiden
C. Theodore Schwann
D. Rudolf Virchow
Join The Discussion