Factory of Ribosomal systhesis is__________?
Correct answer: C. Nucleolus
- A. Cytoplasm
- B. Nucleus
- C. Nucleolus
- D. Endoplasmic reticulum
Explanation
The nucleolus makes ribosomal RNA and combines it with proteins to form ribosomal subunits, so it is regarded as the factory for ribosome synthesis. Students may choose the nucleus because the nucleolus lies inside it, but the nucleus as a whole does not perform this specialized function.
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About Cytoplasmic Organelles
Cytoplasmic organelles are the specialized structures suspended in cytoplasm, including mitochondria, ribosomes, endoplasmic reticulum, Golgi apparatus, lysosomes, vacuoles and centrosomes. Questions compare their structures and functions in animal and plant cells, including chloroplasts and the role of the endomembrane system in transport and secretion.
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