Explanation:
It is a place where shares of pubic listed companies are traded. ... A stock exchange facilitates stock brokers to trade company stocks and other securities. A stock may be bought or sold only if it is listed on an exchange.
Answer: Medication can be tested on the cancer culture before being injected into the patient.
<span>In the duct system the atop testis where sperm mature from is known as the epididymis</span>