Which statement about DNA packaging is true?

Unlock all questions

This demo includes only 20 questions. Upgrade to access hundreds of questions, flashcards, exam simulations, and disable ads.

Full question bankExam simulationsFlashcards
From $25.99Unlock all

Study for the UCF Biomedical Exit Exam. Access flashcards and multiple-choice questions with detailed hints and explanations. Prepare for success!

Multiple Choice

Which statement about DNA packaging is true?

Explanation:
DNA packaging differs between prokaryotes and eukaryotes. Prokaryotic genomes are typically circular and reside in the nucleoid region, condensed by negative supercoiling and DNA-binding proteins rather than by wrapping DNA around histone proteins. In contrast, eukaryotic genomes are linear and organized into chromatin by wrapping DNA around histone proteins to form nucleosomes, with further higher-order folding. This combination—circular chromosome in the nucleoid without histone-based winding—fits prokaryotes best, making the statement true. The other descriptions imply linear prokaryotic DNA or wrapping around histones, which does not describe how bacterial genomes are typically packaged.

DNA packaging differs between prokaryotes and eukaryotes. Prokaryotic genomes are typically circular and reside in the nucleoid region, condensed by negative supercoiling and DNA-binding proteins rather than by wrapping DNA around histone proteins. In contrast, eukaryotic genomes are linear and organized into chromatin by wrapping DNA around histone proteins to form nucleosomes, with further higher-order folding.

This combination—circular chromosome in the nucleoid without histone-based winding—fits prokaryotes best, making the statement true. The other descriptions imply linear prokaryotic DNA or wrapping around histones, which does not describe how bacterial genomes are typically packaged.

More Multiple Choice Questions
Subscribe

Get the latest from Passetra

You can unsubscribe at any time. Read our privacy policy