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BIO NMDCAT Cytoplasmic Organelles
nmdcat.online July 4, 2026

18. Regarding the eukaryotic genome, transcriptionally active regions that stain lightly and show an open chromatin conformation are termed

A. Heterochromatin
B. Euchromatin
✓
C. Centromeric regions
D. Telomeric repeats

📝 Explanation

Euchromatin is the loosely packed, accessible form of DNA where RNA polymerase can readily bind to transcribe structural genes.

📖 Additional Information

  • Heterochromatin
  • Euchromatin
  • Centromeric regions
  • Telomeric repeats

Euchromatin is the loosely packed, accessible form of DNA where RNA polymerase can readily bind to transcribe structural genes.

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