Multiple Choice
Which of the following is a function of protein macromolecules in cells?
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1. Introduction to Biochemistry
Proteins
Multiple Choice
Which of the following is a function of proteins in living organisms?
A
Forming the main structural component of plant cell walls as cellulose
B
Providing long-term energy storage as triglycerides
C
Catalyzing biochemical reactions as enzymes
D
Storing genetic information as the primary hereditary material
Verified step by step guidance1
Step 1: Understand the roles of different biomolecules in living organisms. Proteins, carbohydrates, lipids, and nucleic acids each have distinct functions.
Step 2: Recognize that cellulose is a carbohydrate and serves as the main structural component of plant cell walls, not a protein function.
Step 3: Identify that triglycerides are lipids responsible for long-term energy storage, which is not a function of proteins.
Step 4: Recall that proteins function as enzymes, which catalyze biochemical reactions, speeding up metabolic processes essential for life.
Step 5: Note that storing genetic information is the role of nucleic acids (DNA and RNA), not proteins.
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