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Unformatted text preview: 2. Nucleoside (base) analogs---molecules that are structurally similar to the normal nitrogenous bases but do not pair with the normal complementary base. Chemicals such as this are used in some antiviral and antitumor drugs. 3. Some chemical mutagens cause small deletions or insertions, so that frameshift mutations occur. Benzpyrene in smoke and soot and aflatoxin, sometimes present in moldy peanuts, act this way. Acridine dyes, present in Agent Orange and currently used in some antiviral drugs are other examples. Frameshift mutagens tend to cause cancer....
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This note was uploaded on 01/23/2012 for the course MCB MCB2010 taught by Professor Smith during the Fall '09 term at Broward College.
- Fall '09