Diagram showing the structure of teolomene (teolomene)

A telomere is a repeating sequence of double-stranded DNA located at the ends of chromosomes. Each time a cell divides, the telomeres become shorter. Eventually, the telomeres become so short that the cell can no longer divide.

端粒是一种位于染色体末端的双链DNA重复序列，每次细胞分裂，端粒变短，端粒变短，细胞再也不能分裂。

端粒是一种位于染色体末端的双链dna重复序列，每次细胞分裂，端粒变短，端粒变短，细胞再也不能分裂。

图像库的端粒是一种位于染色体末端的双链DNA重复序列，每次细胞分裂，端粒变短，端粒变短，细胞再也不能分裂。 图像 Image 57464269.

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https://previews.123rf.com/images/designua/designua1605/designua160500027/57464269-端粒是一种位于染色体末端的双链dna重复序列，每次细胞分裂，端粒变短，端粒变短，细胞再也不能分裂。.jpg