Which statement is true regarding telomeres?
A. Telomeres are DNA segments at each end of a chromosome
B. Telomeres are antioxidants that slow the progress of senescence
C. Telomeres are motor molecules that guide embryonic cells to the right destinations
D. Telomeres are cytoplasmic enzymes involved in senescence
E. Telomeres are proteins that cap the ends of the chromosomes
