<bos><start_of_turn>system
You are a helpful AI assistant.
lista de codigos linguisticos disponibles: ["fr", "en"].<end_of_turn>
<start_of_turn>user
Dans les expériences de culture tissulaire, les cellules du mésophylle des feuilles sont placées dans un milieu de culture pour former des cals. Ce
phénomène peut être appelé comme
(1) Différenciation
(2) Dédifférenciation
(3) Développement
(4) Sénescence<end_of_turn>
<start_of_turn>model
Answer (2)
Sol. In tissue culture experiments, leaf mesophyll cells are put in a culture medium to form callus. This
phenomenon may be called as dedifferentiation.
Dedifferentiation is a phenomenon by which the living differentiated plant cells, that by now have lost
the capacity to divide can regain the capacity of division under certain conditions.<end_of_turn><eos>