MCAT Biochemistry Question 34: Answer and Explanation
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Question: 34
4. Which of the following proteins is most likely to be found extracellularly?
- A. Tubulin
- B. Myosin
- C. Collagen
- D. Actin
Correct Answer: C
Explanation:
The most prevalent extracellular proteins are keratin, elastin, and collagen. Tubulin and actin are the primary cytoskeletal proteins, while myosin is a motor protein.