GyanGram
ATTEMPT · SCIENCE & TECHNOLOGY · PRELIMS 2019
What is Cas9 protein that is often mentioned in the news?
Read the full question, pick an option, then see whether you were right. The answer is not shown until you attempt.
Your attempt
Choose an option before the answer.
What is Cas9 protein that is often mentioned in the news?
Pick an option to check yourself. The answer stays hidden until you attempt.
• Correct Answer: A
• Cas9 is an RNA-guided endonuclease enzyme acting as molecular scissors in the CRISPR-Cas9 targeted gene editing system.
• Options B, C, D mischaracterize it as a biosensor, plant gene, or herbicide.
Keep going
Same year. Same subject. More attempts.
Keep attempting in GyanGram.
Filter by year or subject, attempt previous-year questions, and connect each miss back to a visual deck.