MCAT Biology Question 148: Answer and Explanation
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Question: 148
13. In which layer of the skin can the stem cells of keratinocytes be found?
- A. Stratum lucidum
- B. Stratum granulosum
- C. Stratum basale
- D. Stratum corneum
Correct Answer: C
Explanation:
The stratum basale contains the stem cells that proliferate to form keratinocytes, which then ascend through the other layers of skin until they are shed from the stratum corneum.