Answer:
For regulating activities of cell.
Explanation:
Ad nucleus consists of genetic materials like DNA,RNA which is responsible for controlling and directing all the activities of cell.
<span>C Glucose is broken down in a cycle of reactions to form pyruvate
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D. Lysogenic cycle. In this cycle, viral DNA is inserted into the host cell's DNA. It divides with mitosis, soon creating many infected host cells. Once the lytic cycle is triggered (usually from external factors), the viral DNA is transcribed/translated into viruses.