During which phase of mitosis do the sister chromatids line up in the center of the cell?

The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?

Which description provides the best objective summary of the article in the passage?

Which is the graph of the piecewise function f(x)? f(x) = image for option 1 image for option 2 image for option 3 image for option 4