unrecognizable female patient holding a spit collector for a cancer screening test - 端粒 個影片檔及 b 捲影像00:16口水
telomerase enzyme. telomerase (blue) is an enzyme that adds telomeres, repeat units of six dna bases, to the ends of chromosomes. - 端粒 個影片檔及 b 捲影像00:15
yeast plasmids (circular dna, purple) are shown to be protected with the addition of telomeres from the protozoan tetrahymena, enabled by the enzyme telomerase. - 端粒 個影片檔及 b 捲影像00:53