30. A point mutation in a sequence of DNA that results in a premature stop codon and translates a nonfunctional protein product is called?(A)Non-sense mutation(B)Frameshift mutation(C)Amber mutation(D)Silent mutation(E)Missense mutation

9. Your Biology teacher gives you two human cell lines, A and B, which are in G₀ and G₁ phases of the cell cycle, respectively. Which of the following cellular event is true if these two cell lines are stimulated with growth factors to pass the restriction point?(A)Only the G₀ cell will replicate its DNA;(B)Only the G₁ cell will replicate its DNA;(C)Both cells will replicate their DNA;(D)Neither of the cells will replicate their DNA.

30. A point mutation in a sequence of DNA that results in a premature stop codon and translates a nonfunctional protein product is called?
(A)Non-sense mutation
(B)Frameshift mutation
(C)Amber mutation
(D)Silent mutation

(E)Missense mutation

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