230 is your anwser! sorry bad english
Answer:
I believe it is cellulose, I'm not a 100% sure
I think you forgot to give the options along with the question. I am answering the question based on my research and knowledge. "The role of creativity in scientific discovery" best <span>illustrated by Watson and Crick's ball-and-stick model of DNA. I hope that this is the answer that has actually come to your help.</span>