External stimuli would be received most quickly by a plant cell if the receptors for signal transduction were located in the Naim 10:30 AP Biology External stimuli would be received most quickly by a plant cell if the receptors for signal transduction were located in the A) plasma membrane. B) cytoplasmic matrix. C) endoplasmic reticulum. D) nuclear membrane. E) nucleoplasm. Answer: a Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+