Genetic Toxicology Quiz

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Questions and Answers

What is the term used to describe the changes that occur in the DNA molecules of cells due to chemical, physical, and biological factors?

  • Mutagenicity
  • Genotoxicity (correct)
  • Clastogenicity
  • Aneuploidy

Which of the following is NOT a type of damage covered by genetic toxicity or genotoxicity?

  • Chromosome abnormalities
  • RNA synthesis (correct)
  • DNA breaks
  • Gene mutations

According to the central dogma of molecular biology, what does DNA control within the cell?

  • Protein synthesis (correct)
  • RNA transcription
  • Chromosome replication
  • Enzyme activation

What are the building blocks of nucleic acids?

<p>Nucleotides (C)</p> Signup and view all the answers

Which term describes the occurrence of an abnormal number of chromosomes in a cell?

<p>Aneuploidy (D)</p> Signup and view all the answers

Which of the following statements about chromosomes is true?

<p>Chromosomes are formed by condensation of DNA around histone proteins and ensure heredity in living things. (A)</p> Signup and view all the answers

What is a gene composed of?

<p>Specific functional proteins and DNA (D)</p> Signup and view all the answers

What is a mutagen?

<p>A chemical or physical agent capable of inducing changes in DNA (A)</p> Signup and view all the answers

What is the term for changes caused by some factors in the genetic material in the cell nucleus?

<p>Spontaneous mutation (B)</p> Signup and view all the answers

In what way is mutation not always harmful?

<p>It constitutes a development that adapts to the environment (C)</p> Signup and view all the answers

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