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Distinguish between heterochromatin and euchromatin. Which of the two is transcriptionally active?
Answers (1)
Heterochromatin
- Highly condensed and tightly packed structure.
- Darkly stained under a microscope.
- Transcriptionally inactive (genes are not expressed).
- DNA is less accessible to transcription machinery.
- Found in regions like centromeres and telomeres.
Euchromatin
- Loosely packed and less condensed structure.
- Lightly stained under a microscope.
- Transcriptionally active (genes are expressed).
- DNA is accessible to the transcription machinery.
- Found in regions actively involved in gene expression.
- Euchromatin is transcriptionally active.
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