17. NF1 protein ---- Ras signaling. a. activates b. inhibits 18. The deacetylation of the histones results in converting the chromatin from a configuration favoring transcription. a. True b. False 19. Gene conversion occurs because a. DNA polymerase temporarily switches from its original template strand to the complementary DNA strand. b. recombination occurs between nonhomologous chromosomes. c. there occurs a second mutation due to environmental effect

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