A photo showing chromosomes under a microscope, stained blue

Description:

Shown above are 23 pairs of human chromosomes, with telomeres (protective DNA caps at the ends of the chromosomes) marked in white. In most human cells, telomeres become shorter with each cycle of DNA replication and cell division. The importance of telomere shortening to the process of cellular aging has been widely studied and debated. (Image by Hesed Padilla-Nash and Thomas Ried, the National Cancer Institute)

Alt text:
A photograph showing chromsomes under a microscope, stained blue.
Caption:
Shown above are 23 pairs of human chromosomes, with telomeres (protective DNA caps at the ends of the chromosomes) marked in white. In most human cells, telomeres become shorter with each cycle of DNA replication and cell division. The importance of telomere shortening to the process of cellular aging has been widely studied and debated. (Image by Hesed Padilla-Nash and Thomas Ried, the National Cancer Institute)
Credit:
Image by Hesed Padilla-Nash and Thomas Ried, the National Cancer Institute
A photograph showing chromsomes under a microscope, stained blue.
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Fall 2011
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assignment Presentation Assignments