Proteins, Carbohydrates, Lipids and Nucleic Acids Are the Four Classes

question 28

Multiple Choice

Proteins, carbohydrates, lipids and nucleic acids are the four classes of macromolecules that compose all organisms. What characteristic(s) do these four groups share? (Select all that apply)

• A) All have carbon atoms as a major portion of their backbone.
• B) Each group has specific monomers that are joined together by polymer-specific covalent bonds.
• C) Monomers are bonded to each other via hydrolysis reactions.
• D) Each class of macromolecules functions similarly.

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