SAT II Biology M : Proteins

Study concepts, example questions & explanations for SAT II Biology M

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Example Questions

Example Question #1 : Molecular Biology

Which of the following macromolecules is made up of amino acids?

Possible Answers:

Deoxyribonucleic acid

Lactase

Glucose

Trigylcerides

Sucrose

Correct answer:

Lactase

Explanation:

A macromolecule made of amino acids is a protein. Lactase, the enzyme that aids in lactose digestion, is the only protein on the list. Sucrose and glucose are carbohydrates. Deoxyribonucleic acid is DNA, a nucleic acid. Triglycerides are a type of lipid.   

Note: You can identify an enzyme (which is a protein) by the fact that its name ends in "-ase."

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