| 41. | Powerful mutagens that can stimulate free radicals,
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| 42. | DNA can be damaged by many sorts of mutagens, which change the DNA sequence.
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| 43. | Many chemical mutagens require "'biological activation "'to become mutagenic.
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| 44. | Different mutagens act on the DNA differently.
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| 45. | These checkpoints ensure any mutagens are eliminated.
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| 46. | In an attempt to kill his old foe, Shredder dumped mutagen in the sewers.
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| 47. | Picard now also uses the Mutagen library.
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| 48. | Chemicals that induce mutations are called mutagens.
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| 49. | Radiations are the most important physical mutagens.
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| 50. | In the ensuing battle, the vial of purple mutagen is taken into police custody.
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