Cells are restricted to being small in size. why are cells limited in size a the surface area of the cell membrane can only allow a certain amount of molecules into the cell. b the greater the volume of a cell’s cytoplasm the more materials the cell needs for survival. c both of these are true.

oak trees? ? what was listed

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: