The enzyme telomerase prevents loss of telomeres after many mitotic cell cycles.
Which cells need to transcribe telomerase enzyme?
1 stem cells
2 activated memory B-lymphocytes
3 helper T-lymphocytes secreting cytokines
1 )
1, 2 and 3
1 and 2 only
3 )
1 and 3 only
4 )
2 and 3 only
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