The nucleolus inside the nucleus is responsible for
Areplicating DNA before cell division
Bcontrolling traffic through nuclear pores
Ctranscribing rRNA and assembling ribosome parts
Dstoring ATP for nuclear enzymes
Answer & Solution
Correct answer: C. transcribing rRNA and assembling ribosome parts
The nucleolus transcribes rRNA and assembles ribosome subunits that then ship out through nuclear pores. DNA replication uses the wider nucleus, not specifically the nucleolus; nuclear pore control is by the pore complexes; ATP comes from mitochondria.
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