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. Cell Structure. The DNA molecule is a double helix. A gene is a length of DNA that codes for a specific protein. Genome Study. Cell, nucleus with chromosomes, telomeres, DNA, and gene

Imagens de estoque semelhantes (Vetor, SVG e EPS)

to-top-page