olivia131554 olivia131554

15-04-2021
Biology

contestada

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.

Respuesta :

Аноним Аноним

23-04-2021

Answer:

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

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