Neurons pumping out the cells of potassium into the cells meaning energy is being transfer
<span>The correct answer is D. Micromanipulation allows interaction with precision. This is done under a microscope. With micromanipulation, in-vitro fertilization has come true, and is helping thousands of parents to become parents.</span><span />
In electrophoresis, the molecules travel between the positive electrode and the negative electrode carried by the current that is generated between them.
As seen in the image below, short fragments, due to their smaller size can travel faster than the longer fragments, so the fragments that have traveled the furthermost are the shortest. (marked E in the image)
Ribosomes, because both prokaryotes and eukaryotes have ribosomes to make proteins.
1.The presence of valves 2.the milking action of skeletal muscles 3. the veins as the muscles contract