Use these answers for the following questions: a) b) Tonic control system Antagonistic control sy...

Use these answers for the following questions: a) b) Tonic control system Antagonistic control system 55) Some organs or organ systems are controlled by two different signal molecules; one that produces "Response A" in target cells and another that produces "Response B" in target cells. This is an example of a(n) 56) In other cases, a high level of a signal molecule can cue "Response A" in target cells, but a low level of that same signal molecule will cue "Response B" in those same cells. This is an example of a(n) FORM A Page 3 of 7