How many rounds of replication does it take for an incorporation error to be established as a base pair change?

Although the two theories differ on the evolutionary path of dinosaurs, they agree that

Which of the following types of stars is most likely to end up as a supernova? in graph a, the curve peaks at 800 nm, in the red section of the visible light spectrum. in graph b, the curve peaks at 550 nm, in the green section of the visible light spectrum. in graph c, the curve peaks at 450 nm, in the blue section of the visible light spectrum. in graph d, the curve peaks at 300 nm, in the violet section of the visible light spectrum. a b c d

2points what do bacteria have in common with the cells of other living organisms?