Which term defines a well tested scientifically supported statement that explains how something works

If a strand of dna has 35% thymine. what is the percentage of cytosine, adenine, guanine?

One function of the immune system is to attack the foreign cells to protect the body. in organ translate , the body recongnizes that the new organ is made of foreign cells. wha kind of medicine would you give a patient to increase the chances of transplate success

Which type of respiration takes place when there is no oxygen present? a. anaerobic b. mitochondrial c. cellular d. aerobica. anaerobic