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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Enzyme that produces single strand nicks in DNA:
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The correct answer is  Deoxyribonuclease I (DNAase I) Acts on single-stranded DNA, double-stranded DNA, and chromatin. Makes single stranded cuts in nearly any segment of DNA i.e. has low sequence specificity. Digest DNA that is not protected/not bound by protein, into its component deoxynucleotides. Used in DNA Foot Printing. E.g. (DNase I) nick the single strands of double-stranded DNA.