Multiple Choice
Which of the following is a function of a protein macromolecule in cells?
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1. Introduction to Biochemistry
Proteins
Multiple Choice
Which of the following is a common function of protein macromolecules in biological systems?
A
Forming the lipid bilayer that makes up most cell membranes
B
Catalyzing biochemical reactions as enzymes
C
Storing genetic information as the hereditary material
D
Serving as the primary long-term energy storage molecules
Verified step by step guidance1
Identify the main classes of macromolecules in biological systems: proteins, lipids, nucleic acids, and carbohydrates.
Recall the primary functions associated with each macromolecule class: lipids mainly form membranes, nucleic acids store genetic information, carbohydrates serve as energy sources, and proteins perform diverse roles including catalysis.
Understand that proteins act as enzymes, which are biological catalysts that speed up biochemical reactions without being consumed.
Recognize that forming the lipid bilayer is primarily the role of lipids, not proteins.
Conclude that the common function of protein macromolecules is catalyzing biochemical reactions as enzymes.
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