There Are a Number of Functional Groups in Biological Molecules

question 132

Multiple Choice

There are a number of functional groups in biological molecules. Which of the following statements about their presence in different classes of molecules is most accurate?

• A) Hydroxyl groups are only present in carbohydrates.
• B) Aldehyde groups are common in proteins.
• C) Amino groups may be found in modified carbohydrates as well as in proteins.
• D) Carboxyl groups are found only in small molecules.
• E) Sulfhydryl groups are common in fats.

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