Answer: ATP (adenosine tri-phosphate) supplies energy for cellular activities when one of its phosphate bonds is broken.
It is most likely Vulval herpes.
It is infection caused by Herpes simplex type I or type II. Herpes is manifested with vesicles that are aggregated and filled with clear fluid. These vesicles later rupture and thus form ulcers. Symptoms include pain, burning, or itching.
From experiments that scientists did with bacteria and viruses