Which statement explains why oxygen molecules easily diffuse across a cell
membrane while DNA molecules do not?

How did alexander fleming’s research solve a societal problem? he developed ways to treat inherited diseases. he advocated for regular hand washing to kill germs. he discovered a new type of medicine that could treat infections. he discovered the cause of mad cow disease, an emerging disease.

The wind speed in the region between cities a and b was probably the greatest at noon on which day?

What two conditions must be present for osmosis to occur?