Biology · Genetics
What type of structural DNA arrangements make up the CRISPR loci found naturally in bacterial genomes?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Highly methylated nitrogenous base pairs that lack an active phosphodiester backbone.
- 2Circular strands of single-stranded messenger RNA structures.
- 3Repetitive DNA sequences broken up by unique spacer elements.✓
- 4Long continuous chains of non-repeating viral structural proteins.
Correct answer
Repetitive DNA sequences broken up by unique spacer elements.
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