Active transport is the movement of molecules against the concentration gradient from an area of high concentration to an area of low concentration, which requires energy in the form of ATP. Hope this helps! ^.^
ATP molecule functions as the power source for a cell. Sometimes it is compared to a battery, which is a pretty fair analogy, but it is more mobile and flexible in its functions than a battery is.
The answer is the last one - construct the cell during cell division.
<span>A major volcanic belt known as the ring of fire circles the Pacific Ocean. The Pacific Ring of Fire </span><span>is an area where a large number of earthquakes and volcanic eruptions occur in the basin of the </span>Pacific<span> Ocean.</span>
