OBJECTIVE LIFE SCIENCE
CELL BIOLOGY
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
Which statement is true about adult stem cells?
|
|
They no longer do mitosis, their cell type is set and can not change
|
|
|
They are limited to the type of cell they can become.
|
|
|
They can become any cell type in the body
|
|
|
They are found in embryos
|
Explanation:
Detailed explanation-1: -c) is true. Embryonic stem cells are “pluripotent” (they can turn into any body cell), adult stem cells are only “multipotent", meaning they have a limited number of cell types they can turn into.
Detailed explanation-2: -1. Statement a: Stem cells are undifferentiated or unspecialized cells. They can give rise to any kind of cell that is seen in the body. Thus, the statement is correct.
Detailed explanation-3: -There are 2 major classes of stem cells: pluripotent cells, which can become any cell in the adult body, and multipotent cells, which are restricted to becoming a more limited population of cells.
There is 1 question to complete.