When the concentration of molecules on both sides of a membrane is the SAME, the solution is

the water is warmed up by the sun and then it evaporates into the atmosphere. the sunlight warms the water by its heat. water is then cooled down and condensation takes place. the water then finally returns back to the earth by the process of precipitation in the form of rain or ice.

explanation:

the dna molecules have a negative charge because of the phosphate groups in their sugar-phosphate backbone, so they start moving through the matrix of the gel towards the positive pole. power is turned on and dna fragments migrate through gel (towards the positive electrode).

explanation:

find out why you don't need to aim at such a syllable pattern in english. you may have thought that haiku was supposed to be 5-7-5, so what's up with the logo by the gravitational pull of celestial objects, can touch us in unexpected ways.