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Understanding extrachromosomal DNA in cancer cells

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Understanding extrachromosomal DNA in cancer cells

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Questions and Answers

Which of the following is NOT a characteristic of extrachromosomal DNA (ecDNA) found in some cancer cells?

Circular or linear structure
Highly organized structure (correct)
Variability in copy number
Amplified oncogenes

What is a common characteristic of extrachromosomal DNA (ecDNA) in some cancer cells?

Stable copy number
Amplified gene content (correct)
Association with tumor suppression
Integration into host chromosomes

What distinguishes extrachromosomal DNA (ecDNA) in some cancer cells from regular chromosomal DNA?

Presence of telomeres
Stable inheritance through cell division
Containment within the nucleus
Amplification of specific genomic regions (correct)

Which of the following is NOT a characteristic of extrachromosomal DNA (ecDNA) found in some cancer cells?

Inability to replicate independently (B) Signup and view all the answers

What is a distinguishing feature of extrachromosomal DNA (ecDNA) in some cancer cells?

Small size of 1-10 Kb (C) Signup and view all the answers

Which characteristic is typically associated with extrachromosomal DNA (ecDNA) in some cancer cells?

Presence of multiple centromeres (D) Signup and view all the answers

Which of the following is NOT a characteristic of extrachromosomal DNA (ecDNA) found in some cancer cells?

Ability to integrate into linear chromosomes (C) Signup and view all the answers

What distinguishes extrachromosomal DNA (ecDNA) in some cancer cells from regular chromosomal DNA?

Ability to integrate into linear chromosomes (C) Signup and view all the answers

Which characteristic is typically associated with extrachromosomal DNA (ecDNA) in some cancer cells?

Oncogene amplification (C) Signup and view all the answers

Understanding extrachromosomal DNA in cancer cells

Choose a study mode

Podcast

Questions and Answers

Which of the following is NOT a characteristic of extrachromosomal DNA (ecDNA) found in some cancer cells?

What is a common characteristic of extrachromosomal DNA (ecDNA) in some cancer cells?

What distinguishes extrachromosomal DNA (ecDNA) in some cancer cells from regular chromosomal DNA?

Which of the following is NOT a characteristic of extrachromosomal DNA (ecDNA) found in some cancer cells?

What is a distinguishing feature of extrachromosomal DNA (ecDNA) in some cancer cells?

Which characteristic is typically associated with extrachromosomal DNA (ecDNA) in some cancer cells?

Which of the following is NOT a characteristic of extrachromosomal DNA (ecDNA) found in some cancer cells?

What distinguishes extrachromosomal DNA (ecDNA) in some cancer cells from regular chromosomal DNA?

Which characteristic is typically associated with extrachromosomal DNA (ecDNA) in some cancer cells?

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