Question

multiple choice question
which cellular role is played primarily by proteins?

• transmit information
• store information
• terminal oxidants
• catalyze reactions

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Explanation:

• Transmitting and storing cellular information is primarily the role of nucleic acids (DNA/RNA). Terminal oxidants are typically molecules like oxygen or other electron acceptors, not proteins. Enzymes, which are specialized proteins, are the primary biological catalysts that speed up cellular chemical reactions.

Answer:

D. Catalyze reactions