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MDCAT Biology QUESTION #7763
Question 1

Which statement about plasmids in streptococci is NOT true?

  • Carry fewer genes than chromosome
  • Replicate autonomously
  • They are genetic elements
  • The bacterial chromosome depends on plasmids for replication✔️
Correct Answer Explanation

Plasmids are extrachromosomal DNA elements that replicate independently; the chromosome does not depend on them. They carry non-essential genes (e.g., antibiotic resistance).