What is one role for the extracellular structure, such as the plant cell wall or the animal extracellular structure matrix? Naim 08:09 AP Biology What is one role for the extracellular structure, such as the plant cell wall or the animal extracellular structure matrix? a. Transport b. Support c. Synthesis d. Digestion e. Secretion Answer: b. Support Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+