I don’t know the first two but the last one the thousands of subunits are called nucleotides
They are all made to do a different and specialized job
B it's a vegstigial trait
Many biology texts today still refer to the appendix as a vestigial organ
ATP is like a charged battery, while ADP is like a dead battery. ATP can be hydrolyzed to ADP and Pi by the addition of water, releasing energy. ADP can be "recharged" to form ATP by the addition of energy, combining with Pi in a process that releases a molecule of water.
