Scientists use tissue cultures to study possible medicines that can be used to treat cancer patients. what is one benefit of this procedure?
a.) patients do not receive harmful or ineffective medication.
b.) the cultured cells are not in their normal environment.
c.) doctors know how to treat all types of cancer.
d.) one tissue culture can be used for all cancer patients.

Been sitting here trying to take this test and don't know this answer! place the events of a feedback mechanism associated with body temperature in the correct order. ·nerve cells send message from skin to the brain ·body returned to normal temperature around 98.6 degrees f ·temperatures regulation center in the brain sends out signals ·body temperature exceeds 98.6 degrees f ·sweat glands throughout the body activate to cool off skin surface it is a 1 through 5 question in biology!