Which statement about the nucleolus is not true?
Correct answer: D. Hereditary center
- A. No membranous boundary
- B. Composed of two regions
- C. Site of ribosome synthesis
- D. Hereditary center
Explanation
The correct answer is Option D: Hereditary center. The nucleolus is not the hereditary center of the cell; that function is attributed to the nucleus, which houses the cell's DNA. The nucleolus is a non-membranous structure within the nucleus, responsible for producing and assembling ribosomal subunits. Options A, B, and C correctly describe the nucleolus's characteristics and functions, while Option D incorrectly attributes hereditary functions to it.
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