A Eukaryotic Cell Lacking Telomerase Would? All Answers

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A eukaryotic cell lacking telomerase would shorten the ends of its chromosomes with every replication. DNA polymerase is incapable of replicating to the end of a chromosome. To counter this an enzyme called telomerase adds repeat sequences at the ends of chromosomes preserving the lengths of chromosomes. If chromosomes keep shortening after a …

Telomerase Replication in Eukaryotes | End Replication

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Answer and Explanation: A eukaryotic cell lacking telomerase would shorten the ends of its chromosomes with every replication. DNA polymerase is incapable of replicating to the end of a chromosome.In human somatic cells or yeast cells lacking telomerase, telomeres are shortened upon each cell division. This gradual shortening of telomeres eventually leads to senescence.

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What happens if telomerase stops?

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In combination with a protein complex called shelterin, these telomeric repeat sequences form a cap that protects the ends of chromosomes. Due to insufficient telomerase expression, telomeres shorten gradually with each cell division in human somatic cells, which limits the number of times they can divide.

What happens in the absence of telomerase?

Without telomerase, telomere shortening eventually limits the growth of cells, either by senescence, in cells with intact cell cycle checkpoints (a G1 cell cycle block), or by crisis in cells with inactivated checkpoints (telomeric end-to-end fusions cause chromosome breakage and mitotic catastrophe) (Shay and Wright, …

Why does telomerase activity stop?

Every time cells divide, their telomeres shorten, which eventually prompts them to stop dividing and die.

What happens if a cell lacks telomerase?

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Without telomerase activity, these cells would become inactive, stop dividing and eventually die.

What would happen if a cell lacked telomerase?

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Without telomerase activity, these cells would become inactive, stop dividing and eventually die.

What happens when you run out of telomeres?

Each time a cell divides and replicates, the DNA at the end of telomeres shorten. Since cell division happens throughout life, telomeres get shorter and shorter as we age. When the telomeres run out, the cell becomes inactive or dies, which leads to disease.

What would happen to a eukaryotic cell lacking telomerase?

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In human somatic cells or yeast cells lacking telomerase, telomeres are shortened upon each cell division. This gradual shortening of telomeres eventually leads to senescence.

What happens to a cell lacking telomerase?

In human somatic cells or yeast cells lacking telomerase, telomeres are shortened upon each cell division. This gradual shortening of telomeres eventually leads to senescence.

Why do eukaryotic cells need telomerase?

Telomerase is a master regulator for maintaining replicative potential in most eukaryotic cells. It does so by controlling telomere length at chromosome ends.

What does telomerase do in eukaryotic cells?

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Telomerase is a master regulator for maintaining replicative potential in most eukaryotic cells. It does so by controlling telomere length at chromosome ends.

References:

A eukaryotic cell lacking telomerase would – Study.com

A EUkaryotic cell lacking telomerase would? – Answers

What would happen to a eukaryotic cell lacking telomerase?

7 a eukaryotic cell lacking active telomerase would a – Course Hero

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Questions just answered:

which of the following is analogous to telomeres?

which enzyme joins okazaki fragments together?

what is the role of dna polymerase during dna synthesis?

which of the following represents an order of increasingly higher levels of organization?

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which of the following statements accurately describes the structure of a eukaryotic chromosome?

which statement is not true about mitosis

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