Which of these fabrics do you suspect will absorb dyes in a similar way?  

cellulose, 

wool, 

orlon, 

dacron.

OH OH Orlon (polyacrylonitrile) Cellulose (cotton) HO n fodr OH [-] [87] CEN H R OH Wool (R = amino acid residue) Dacron (polyester) n -CHCH n n Dyes and Dyeing Chapter 14 Figure 14-3. Structures for various fabrics. Pre-Lab Assignment: Complete the Pre-Lab Assignment found at the end of this experiment and turn it in to your TA at the beginning of the lab period. NOTE: Your TA should give a specific combination to each student during the lab period before you are scheduled to begin this experiment. You will need to know which dye you are making in order to complete the Pre-Lab Assignment. CAUTION! This lab involves using chemicals that will dye your skin and your clothing. Dress appropriately.