Final answer:
The membrane-bound organelle that contains DNA and has a role in processes such as growth, metabolism, and reproduction is called the nucleus.
Step-by-step explanation:
The membrane-bound organelle that contains DNA and has a role in processes such as growth, metabolism, and reproduction is called the nucleus.
The nucleus is responsible for housing the cell's DNA and directing the synthesis of ribosomes and proteins. It is enclosed within a nuclear envelope and contains nucleoli, which are sites for ribosome synthesis.
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