Teaching UP PGT Mock Test Series 2024 Life Sciences Developmental Biology Basic concepts of development
Which one of the following statements about stem cells is correct?
1
Stem cells cannot be maintained in culture since they require a distinct in vivo microenvironment known as niches.
2
During asymmetric stem cell division, only one of the daughter cells is retained as a stem cell.
3
Stem cell derived transit‐amplifying cells are differentiated cells which retain the capacity to divide further.
4
Hematopoietic stem cells (HSCs) are totipotent stems cells.