The Biology Project: Biochemistry

Large Molecules Problem Set

Problem 6:Identification of a monomer unit of a biological macromolecule



The structure shown in the diagram is an example of a monomer unit used in the formation of:

Structural formula that includes a pentose sugar, ribose, a phosphate group, and a nitrogenous base.



A. RNA
The compound, UMP or uridine monophosphate, is found internal to RNA chains. The 2'-OH group on the sugar ring is the best indicator that it is from RNA and not DNA.
B. protein

C. DNA

D. polysaccharides

E. lipids

problem 6 tutorial problem 7

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