Tightly packaged cellular DNA is supercoiled, and most DNA is negatively superco
ID: 798101 • Letter: T
Question
Tightly packaged cellular DNA is supercoiled, and most DNA is negatively supercoiled. Identify the true statement about negative supercoiling in DNA. Negative and positive supercoiling give rise to mirror image helices with similar functional characteristics. Negative supercoiled DNA has fewer base pairs per turn than relaxed DNA. Negative supercoiling helps in strand separation during replication and transcription. Negative supercoiling occurs as a result of underwinding of circular or protein-bond DNA. Supercoiling permits the compacting of DNA.Explanation / Answer
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