Light energy is converted to chemical energy which is what

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.

Suggest why placing wheels under a heavy box reduces the neccessary force required to push it along at a constant speed.

Which image shows labeled organelles that are present only in plant cells?