DNA Repair Mechanisms Quiz

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Questions and Answers

Which type of DNA repair mechanism targets errors made during DNA replication?

Mismatch repair (correct)
Homologous recombination
Nucleotide excision repair
Base excision repair

Which type of DNA repair mechanism fixes double-strand breaks by using another copy of the chromosome as a template?

Base excision repair
Homologous recombination (correct)
Nucleotide excision repair
Mismatch repair

Which type of DNA repair mechanism corrects major distortions in DNA?

Nucleotide excision repair (correct)
Base excision repair
Homologous recombination
Mismatch repair

Which type of DNA repair mechanism corrects single damaged bases in DNA?

Base excision repair (C) Signup and view all the answers

Which type of DNA repair mechanism recognizes and corrects major distortions in DNA?

Nucleotide excision repair (C) Signup and view all the answers

Which type of DNA repair mechanism targets errors made during DNA replication?

Mismatch repair (B) Signup and view all the answers

Flashcards

Mismatch repair

A DNA repair mechanism that corrects errors made during DNA replication.

Homologous recombination

A DNA repair mechanism that fixes double-strand breaks using a similar chromosome as a template.

Nucleotide excision repair

A DNA repair mechanism that corrects major distortions in the DNA structure.

Base excision repair

A DNA repair mechanism that corrects single damaged bases in DNA.

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DNA repair mechanisms

A collection of processes in cells that fix mistakes in DNA.

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DNA Replication Errors

Mistakes made whilst copying DNA when cell divides.

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Study Notes

DNA Repair Mechanisms

Mismatch repair targets errors made during DNA replication.
Homologous recombination fixes double-strand breaks by using another copy of the chromosome as a template.
Nucleotide excision repair corrects major distortions in DNA.
Base excision repair corrects single damaged bases in DNA.
Nucleotide excision repair recognizes and corrects major distortions in DNA.

Note: I've rewritten the questions into concise bullet points, focusing on key facts and eliminating duplicates.

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Description

Test your knowledge of DNA repair mechanisms with this quiz! Learn about base excision repair, nucleotide excision repair, mismatch repair, and homologous recombination.