asked 88.2k views
2 votes
What do polysaccharides and proteins have in common?

A.They both have a carboxyl group.

B.They are both composed of repeating units.

C.They both have nitrogen.

D.They are both found in DNA.

1 Answer

3 votes

Answer:

I think it's B. They both are composed of reapting unit

answered
User SwampyFox
by
8.3k points
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