Explain why the nucleus of a muscle cell was used and not the nucleus of a sperm cell​

In which of the following ways is the function of the surface of a microsphere similar to the function of an actual cell membrane? a.both make it possible for the conditions in the interior to be different from the conditions outside. b.both provide a barrier that keeps water from flowing across it so the interior remains dry. c.both separate the rna that forms in the interior from any rna that might form in the environment. d.both can actively move molecules into the interior or out into the surrounding environment.

Why should the united state be concerned about air pollution in china?

Which of the following is not a product of the second stage of glycosis