팟캐스트 영어회화 영어스피킹 리스닝 DAY 3
NPR PodcastShort WaveA microbiologist explains why we age and die DNA keeps replicating, part of that process means it does get shorter and may miss more and more genetic information.*helix 나선(형)On a DNA helix, telomeres are the little ends of the strands.*chromosome 염색체*methylation 메틸화 It's when your body uses methyl groups, which is just CH3, a carbon with three hydrogens, to silence parts of ..