What is the structure of telomeres? Long, unique DNA sequences found at the end
ID: 279845 • Letter: W
Question
What is the structure of telomeres?
Long, unique DNA sequences found at the end of linear eukaryotic chromosomes.
Short, repetitive DNA sequences found at the end of linear eukaryotic chromosomes.
Short, repetitive DNA sequences found at the end of linear prokaryotic chromosomes.
Long, repetitive DNA sequences found at the end of linear eukaryotic chromosomes.
Long, unique DNA sequences found at the end of linear eukaryotic chromosomes.
Short, repetitive DNA sequences found at the end of linear eukaryotic chromosomes.
Short, repetitive DNA sequences found at the end of linear prokaryotic chromosomes.
Long, repetitive DNA sequences found at the end of linear eukaryotic chromosomes.
Explanation / Answer
Long, repetitive DNA sequences found at the end of linear eukaryotic chromosomes.
telomeres are long repetitive sequences found at the end of chromosomes.
They shorten after every cell division.
Telomeres consist of stretches of repetitive DNA sequences at the ends of chromosomes. These are progressively shortened with each mitosis until cells become senescent at a critical minimal length. Telomerase is a reverse transcriptase that stabilizes telomere length.
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