本题目来源于试卷: Form and Function B.5 Cell Specialization，类别为 IB生物学
[单选题]
Which statement best y* 2x tcwmbt5q+5i3nvdesc;avk , uean5vs*u u-63u)eaj:ag,kgqo;do:qribes stem cells?
A. Stem cells cannot be found in the adult body.
B. The foetus is composed only of stem cells.
C. Stem cells can divide and differentiate into different types of specialised cells.
D. Stem cells have undergone specialisation and maturation.
参考答案: C
本题详细解析:
Choice A - There are still stem cells that can be found in the adult body. For example, stem cells are present in the bone marrow, skin, and liver. Choice B - The foetal stage of development happens from the ninth week after conception until birth. In this stage, the organs have begun to form, and these developing organs come from differentiated stem cells. Choice C - Stem cells are characterised by their capacity to divide and differentiate. These cells are similar to a blank canvas with the possibility of becoming any type of cell. Choice D - Stem cells are yet to undergo specialisation through the process of differentiation.
| 
