Question
skin cells
a. are stem cells
b. become senescent quickly
c. have terminally differentiated
d. become quiescent quickly
a. are stem cells
b. become senescent quickly
c. have terminally differentiated
d. become quiescent quickly
Answers
GPT-4o mini
Skin cells are primarily composed of keratinocytes, which are the main type of cells found in the epidermis. Here's a breakdown of the options:
a. **are stem cells** - Incorrect. While there are stem cells in the skin (specifically, in the basal layer of the epidermis), the majority of skin cells are not stem cells.
b. **become senescent quickly** - This is a complex topic. While skin cells can undergo senescence due to various factors (like UV exposure), it's not universally true that they become senescent quickly.
c. **have terminally differentiated** - Correct. The majority of skin cells, especially keratinocytes, are terminally differentiated. Once they reach a certain point in their development, they no longer divide and perform specific functions.
d. **become quiescent quickly** - This statement can also be context-dependent. Some skin cells can enter a quiescent state under certain conditions, but this is not their primary characteristic.
From this analysis, the most accurate answer regarding skin cells is:
**c. have terminally differentiated**.
a. **are stem cells** - Incorrect. While there are stem cells in the skin (specifically, in the basal layer of the epidermis), the majority of skin cells are not stem cells.
b. **become senescent quickly** - This is a complex topic. While skin cells can undergo senescence due to various factors (like UV exposure), it's not universally true that they become senescent quickly.
c. **have terminally differentiated** - Correct. The majority of skin cells, especially keratinocytes, are terminally differentiated. Once they reach a certain point in their development, they no longer divide and perform specific functions.
d. **become quiescent quickly** - This statement can also be context-dependent. Some skin cells can enter a quiescent state under certain conditions, but this is not their primary characteristic.
From this analysis, the most accurate answer regarding skin cells is:
**c. have terminally differentiated**.