CRISPR Quiz

What does CRISPR stand for?

• Clustered Regularly Interspaced Short Palindromic Repeats

• Cyclic Repetitive Interspaced Short Palindromic Repeats

• Clustered Randomly Interspaced Short Palindromic Repeats

• Cyclic Regularly Interspaced Short Palindromic Repeats

Which enzyme is primarily associated with the CRISPR-Cas9 system?

• Cas3

• Cas13

• Cas9

• Cas12a

What is the primary function of CRISPR sequences in prokaryotes?

• Cell division

• Antiviral defense

• Gene expression regulation

• Protein synthesis

Which of the following is NOT a component of the CRISPR-Cas9 system?

• Cas12

• crRNA

• Cas9

• tracrRNA

What type of organisms primarily utilize the CRISPR system?

• Viruses

• Fungi

• Prokaryotes

• Eukaryotes

What is the role of the PAM sequence in CRISPR systems?

• It regulates gene expression

• It is involved in RNA transcription

• It is a binding site for Cas proteins

• It helps in spacer acquisition

Which CRISPR-associated protein is known for its RNA-guided RNA endonuclease activity?

• Cas9

• Cas12a

• Cas13

• Cas3

What is the typical size range of CRISPR repeats?

• 10 to 20 base pairs

• 23 to 55 base pairs

• 30 to 40 base pairs

• 50 to 70 base pairs