Podcast
Questions and Answers
In the context of bacterial defenses against bacteriophage infection, what is the function of restriction endonucleases?
In the context of bacterial defenses against bacteriophage infection, what is the function of restriction endonucleases?
- Altering receptor proteins to block phage entry
- Integrating phage DNA sequences into the bacterial genome
- Binding and cleaving phage DNA
- Preventing phage DNA methylation (correct)
What is a key feature of CRISPR in the context of bacterial defense against bacteriophages?
What is a key feature of CRISPR in the context of bacterial defense against bacteriophages?
- It blocks the production of Acr proteins
- It promotes phage DNA replication
- It integrates phage DNA sequences for immune memory (correct)
- It facilitates phage entry into the bacterial cell
How does the CRISPR-Cas complex contribute to bacterial defense against bacteriophages?
How does the CRISPR-Cas complex contribute to bacterial defense against bacteriophages?
- Inhibiting the production of restriction endonucleases
- Binding and cleaving phage DNA (correct)
- Inducing methylation of phage DNA
- Promoting phage integration into bacterial DNA
What is the role of Acr in the interaction between CRISPR and bacteriophages?
What is the role of Acr in the interaction between CRISPR and bacteriophages?
Which mechanism prevents bacteriophages from infecting bacterial cells by altering receptor proteins?
Which mechanism prevents bacteriophages from infecting bacterial cells by altering receptor proteins?
What is the main function of clustered regularly interspaced short palindromic repeats (CRISPR) in bacterial defense against bacteriophages?
What is the main function of clustered regularly interspaced short palindromic repeats (CRISPR) in bacterial defense against bacteriophages?
Which bacterial defense mechanism directly cleaves viral DNA lacking methylation?
Which bacterial defense mechanism directly cleaves viral DNA lacking methylation?
How does genetic resistance play a role in protecting bacteria from bacteriophage infection?
How does genetic resistance play a role in protecting bacteria from bacteriophage infection?
How does CRISPR provide a form of immunity in bacterial cells against future bacteriophage attacks?
How does CRISPR provide a form of immunity in bacterial cells against future bacteriophage attacks?
Flashcards are hidden until you start studying
