T4 Contains a Modified DNA Base

question 26

Multiple Choice

T4 contains a modified DNA base.Which base is modified and for what purpose?

• A) Cytosine; to protect phage DNA from phage encoded DNAse
• B) Thymidine; to protect phage DNA from phage encoded DNAse
• C) Cytosine; to increase transcription from phage promoters
• D) Thymidine; to increase transcription from phage promoters
• E) Adenine; to help rupture the bacterial plasma membrane

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