Th correct answer would be D! Hope this helps
Answer:
Nucleus
Explanation:
It is enclosed by a nuclear membrane perforated by numerous pores. It regulates the activities of the rest of the cell. It contains chromosomes which carry the hereditary materials. One or more densely staining bodies called nucleoli is present in the nucleus. It is site for synthesis of ribosomes
Answer:
A published opinion with supporting evidence.
Through the process of transformation. Hope this helps.