MCQ on Nucleolus Structure and Functions




The nucleolus is a distinct substructure within the cell nucleus where ribosomal RNA (rRNA) synthesis occurs. It plays a crucial role in assembling ribosomes, essential for protein synthesis. The nucleolus is vital for cellular functions, contributing to overall cell health. This is an MCQ on Nucleolus Structure and Functions.

|  Cell and Molecular Biology Notes  |  Cell and Molecular Biology PPT  |



1. 
What is the primary function of the nucleolus within the cell?

2. 
In which cellular organelle is the nucleolus typically located?

3. 
The nucleolus is a distinct, spherical structure found within the nucleus and is composed primarily of:

4. 
Which type of RNA molecules are synthesized in the nucleolus?

5. 
The rRNA molecules synthesized in the nucleolus combine with ribosomal proteins to form:

6. 
Which phase of the cell cycle involves the active production and enlargement of nucleoli?

7. 
Nucleoli are absent from cells that are primarily involved in:

8. 
In addition to ribosomal RNA synthesis, the nucleolus is involved in the modification and processing of:

9. 
The nucleolus is also associated with the regulation of cell growth and cell cycle progression, as it is involved in the synthesis of ribosomal RNA necessary for protein production. Which of the following processes is directly influenced by nucleolar activity?

10. 
The nucleolus is a multifunctional organelle within the nucleus that contributes significantly to the cell's protein synthesis machinery. Its primary function is the synthesis of:

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