During gene expression, dna is transcribed into rna in the nucleus. then, the rna is translated into proteins in the cytoplasm. through what physical barrier must the rna pass when moving from the nucleus into the cytoplasm?

Molecular models of two different substances are shown below. in the molecule on the left, the oxygen atom pulls on electrons more strongly than the hydrogen atoms. in the molecule on the right, the two oxygen atoms pull on the shared electrons with the same strength. water molecule, h,o oxygen molecule, oz when the two substances are put in the same container, they do not attract each other. why does this happen? a. they both contain oxygen. b. one is polar and one is nonpolar. c . they are both polar. d. they contain different elements.

Can create a hboth of these instruments can measure wind speed. doppler radar and psychrometer anemometer and hygrometer doppler radar and anemometer radiosonde and psychrometer

Where is most of the fresh water on earth found a in the ocean b in glaciers and in ice caps c in rivers d in the soil