MCAT Biochemistry Question 113: Answer and Explanation
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Question: 113
8. Which of the following is NOT a cell–cell junction in animals?
- A. Desmosomes
- B. Gap junctions
- C. Plasmodesmata
- D. Tight junctions
Correct Answer: C
Explanation:
Plasmodesmata are cell–cell junctions that are found in plants, not animals. Gap junctions, tight junctions, desmosomes, and hemidesmosomes are all found in animals, particularly epithelia.