Which statement BEST states what happens during mitotic anaphase? The chromosomes are duplicated. O Spindle fibers stretch across the cell. O Sister chromatids move to opposite sides of the cell. O Chromosomes and centrioles attach to the plasma membrane.

If a cell's main function is to produce proteins to be excreted, which organelles would you expect to be larger

Parasitism could be considered a form of which of these types of relationships? -mutualism -commensalism -predator-prey -mimicry

Sara goes on a slingshot ride in an amusement park. she is strapped into a spherical ball that has a radius 3*10^2 of centimeters. what is the volume of air in the spherical ball? use this formula: volume of a sphere=4/3pi, r^3 , where r is the sphere’s radius.