The nucleus contains genetic material in the form of DNA, and its integrity is essential for cell function. Which of the following components is responsible for regulating the passage of molecules in and out of the nucleus and plays a role in genetic transcription and replication? Nuclear pore complexes Nuclear envelope Nucleolus Both a and b
Question
The nucleus contains genetic material in the form of DNA, and its integrity is essential for cell function. Which of the following components is responsible for regulating the passage of molecules in and out of the nucleus and plays a role in genetic transcription and replication? Nuclear pore complexes Nuclear envelope Nucleolus Both a and b
Solution
The correct answer is "Both a and b". The nuclear pore complexes and the nuclear envelope both play crucial roles in regulating the passage of molecules in and out of the nucleus. The nuclear pore complexes are responsible for the selective exchange of proteins, RNA, and other molecules, while the nuclear envelope provides a barrier that separates the contents of the nucleus from the cytoplasm. Both of these components are essential for genetic transcription and replication.
Similar Questions
Describe what the nucleus contains and the job it does in a cell.
Which of the following is NOT a function of the cell nucleus?Storage of genetic materialRegulation of cellular activitiesSynthesis of ATPControl of cell growth and reproduction
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What is a true nucleus?When genetic material is wrapped in the nuclear membraneNaked DNA suspended in the cytoplasm
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