複選題
6.Which statements is/are CORRECT in regard to telomere?
(A) A typical telomere has a simple repeating structure.
(B) Telomere length is controlled by the activity of telomerase.
(C) Telomerase has RNA polymerase activity to extend the telomere.
(D) Telomeres are essential for cell survival.
(E) Telomeric protein complex marks the location of telomere for DNA damage repair.