Podcast
Questions and Answers
What is the consequence of mutations in repair genes?
What is the consequence of mutations in repair genes?
- Enhanced DNA transcription efficiency
- Improved DNA replication fidelity
- Greater susceptibility to certain types of cancer (correct)
- Increased resistance to certain types of cancer
What is the primary role of repair enzymes in DNA repair?
What is the primary role of repair enzymes in DNA repair?
- To add new nucleotides to the DNA strand
- To remove mismatched nucleotides from the DNA strand (correct)
- To transcribe DNA into RNA
- To unwind the double helix during DNA replication
What is the purpose of DNA polymerase in the DNA repair process?
What is the purpose of DNA polymerase in the DNA repair process?
- To unwind the double helix during DNA replication
- To transcribe DNA into RNA
- To fill in the gap left by the repair enzymes (correct)
- To remove mismatched nucleotides from the DNA strand
What is the result of a failure in DNA repair?
What is the result of a failure in DNA repair?
What triggers the action of repair enzymes?
What triggers the action of repair enzymes?
What is a primary source of genetic variation in organisms?
What is a primary source of genetic variation in organisms?
What type of mutations can cause uncontrolled cell division and lead to cancer?
What type of mutations can cause uncontrolled cell division and lead to cancer?
What is a common cause of spontaneous mutations during DNA replication?
What is a common cause of spontaneous mutations during DNA replication?
What type of mutation occurs when a base pair is substituted, but the resulting amino acid sequence remains the same?
What type of mutation occurs when a base pair is substituted, but the resulting amino acid sequence remains the same?
Which of the following is an example of an environmental factor that can cause mutations?
Which of the following is an example of an environmental factor that can cause mutations?
How do mutations in germ cells affect organisms?
How do mutations in germ cells affect organisms?
What is the result of an undetected error during DNA replication?
What is the result of an undetected error during DNA replication?
What is the term for agents that increase the rate of mutations?
What is the term for agents that increase the rate of mutations?
What type of mutation is caused by the insertion or deletion of base pairs, resulting in a changed reading frame?
What type of mutation is caused by the insertion or deletion of base pairs, resulting in a changed reading frame?
What is a key factor that determines the effects of a mutation on an organism?
What is a key factor that determines the effects of a mutation on an organism?
What is the result of a nonsense mutation?
What is the result of a nonsense mutation?
What is the role of DNA polymerase during DNA replication?
What is the role of DNA polymerase during DNA replication?
