which is the rigid molecule composing plant cell walls?

A. Starch

B. Glycogen

C. Hemoglobin

D. Cellulose

3 Answers

  • D. cellulose

  • You could easily have looked up cellulose on your own.

  • Listen old man, I have seen you everywhere on Yahoo. All you do is say **** like that. Around the lines of look it up and ****.

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