Questions: What structure prevents DNA from leaving the nucleus? Nucleus Lysosome Nuclear envelope Nucleolus

What structure prevents DNA from leaving the nucleus? Nucleus Lysosome Nuclear envelope Nucleolus
Transcript text: What structure prevents DNA from leaving the nucleus? Nucleus Lysosome Nuclear envelope Nucleolus
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Solution

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The answer is the third one (or C): Nuclear envelope.

Explanation for each option:

  1. Nucleus: The nucleus is the organelle that houses the DNA, but it is not the structure that prevents DNA from leaving the nucleus.
  2. Lysosome: Lysosomes are organelles involved in digestion and waste removal within the cell, and they do not play a role in preventing DNA from leaving the nucleus.
  3. Nuclear envelope: The nuclear envelope is a double membrane that surrounds the nucleus and contains nuclear pores. These pores regulate the passage of molecules between the nucleus and the cytoplasm, effectively preventing DNA from leaving the nucleus.
  4. Nucleolus: The nucleolus is a region within the nucleus where ribosomal RNA is synthesized, but it does not prevent DNA from leaving the nucleus.

Summary: The structure that prevents DNA from leaving the nucleus is the nuclear envelope.

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