What is the primary structural difference between branched and unbranched polysaccharides?

• A. Unbranched polysaccharides have chains coming off the main chain, while branched polysaccharides do not.
• B. Both have chains coming off the main chain.
• C. Neither have chains coming off the main chain.
• D. Branched polysaccharides have chains coming off the main chain, while unbranched polysaccharides do not.

Answer: (D)