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

answer; i believe that the correct answer is (b) melosis; plz check first.good luck

instead of copying and pasting things off of tests or work done on computer which im sure you did, try and read over the question carefully

only about ten percent of the energy at one trophic level is passed on to organisms at the next trophic level. the remainder of the energy is used in life processes or lost as heat.