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1 vote
Which of the following structures represents a protein?

A monomer made up of a nitrogenous base, a five carbon sugar, and a phosphate group bonded together.
A monomer with an amino group, carboxylic acid, hydrogen atom, and R group bonded to a central carbon atom.
A monomer with the formula C6H12O6. Five carbon atoms and one oxygen atom form a hexagonal ring, with the other atoms bonded to that ring.
A molecule made up of four carbon rings with other atoms bonded to those rings.

User Cope
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2 Answers

5 votes
The answer is the second one, which has an amino group.
User Matthew Wise
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8.9k points
2 votes
A monomer with an amino group —> The base of protein is amino acids. So usually anything amino related is potentially protein
User Freak
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