Telomere and telomerase. Artwork showing the mechanism by which the enzyme telomerase (yellow) acts on a telomere, the endpoint of deoxyribonucleic ac
Telomere and telomerase. Artwork showing the mechanism by which the enzyme telomerase (yellow) acts on a telomere, the endpoint of deoxyribonucleic acid (DNA) found in chromosomes. The telomere is a region of repeated non-coding nucleotides (coloured bars), the function of which is to prevent coding nucleotides being lost during DNA replication. Telomeres shorten over time and this process is thought to play a role in cancer and ageing. Telomerase is a reverse transcriptase that creates the telomere regions using an RNA template. Nucleotides are added in the sequence TTAGGG (blue, red, green), as shown here.
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Photo credit: © ART FOR SCIENCE/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
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Keywords: -coding, acid, ageing, artwork, bases, biochemsitry, biological, biology, cancer, cell, cellular, chromosome, deoxyribonucleic, dna, enzyme, genetic, genetics, human, illustration, maintaining, mechanism, molecular, molecule, nucleic, nucleotide, nucleotides, process, protein, repairing, replication, reverse, ribonucleic, rna, sequence, strand, telomerase, telomere, template, terminal, terminus, transcriptase, ttaggg
