A plant deficient in calcium could experience several problems, including Naim 12:14 AP Biology A plant deficient in calcium could experience several problems, including A) poor response to signals of stress, drought, or cold. B) decreased response to epinephrine. C) overactive cyclic AMP responses. D) B and C only E) A, B, and C Answer: A Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+