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Intro to Urea Cycle
25. Protein and Amino Acid Metabolism / Intro to Urea Cycle / Problem 2

Which is true about the structure of urea? (Select all that apply)
I. Urea contains a carbonyl group (C=O).
II. Urea contains two amine groups (-NH₂).
III. Urea contains a hydroxyl group (-OH).
IV. Urea contains only single bonds between carbon and nitrogen.

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