Multiple Choice
In the context of protein structure, what is the monomer (basic building block) of a protein?
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1. Introduction to Biochemistry
Proteins
Multiple Choice
Which of the following is a function commonly performed by protein macromolecules in cells?
A
Storing genetic information as the primary hereditary material
B
Catalyzing biochemical reactions as enzymes
C
Forming the hydrophobic bilayer that is the principal structure of cell membranes
D
Serving as the main long-term energy storage molecules
Verified step by step guidance1
Understand the primary roles of different macromolecules in cells: proteins, nucleic acids, lipids, and carbohydrates each have distinct functions.
Recall that proteins perform a variety of functions including structural support, transport, signaling, and catalysis of biochemical reactions.
Recognize that storing genetic information is primarily the role of nucleic acids (DNA and RNA), not proteins.
Note that the hydrophobic bilayer of cell membranes is mainly formed by lipids, specifically phospholipids, rather than proteins.
Identify that long-term energy storage is typically the function of lipids (like fats), not proteins; therefore, the function commonly performed by proteins is catalyzing biochemical reactions as enzymes.
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