Animal Cell Culture and Regulation
Sometimes cell lines can be cultured for such a long time that they apparently develop the potential to be subcultured indefinitely in vitro. Such cells lines are called

primary cell lines
established cell lines
propagated cell lines
secondary cell lines

ANSWER DOWNLOAD EXAMIANS APP

Animal Cell Culture and Regulation
The major problem associated with the isolation of free cells and cell aggregates from organs is that of

inhibiting the cells from their supporting matrix
releasing the cells from their supporting matrix
disintegrating the cells from their supporting matrix
None of these

ANSWER DOWNLOAD EXAMIANS APP