Learning Path
Question & Answer1
Understand Question2
Review Options3
Learn Explanation4
Explore TopicChoose the Best Answer
A
A→B→C→D
B
B→D→A→C
C
D→B→C→A
D
C→A→B→D
Understanding the Answer
Let's break down why this is correct
Answer
The guide RNA first binds to the target DNA sequence (B). The complex then recognizes the target DNA (D). Cas9, guided by the RNA, makes a precise cut in the DNA (A). Finally, the cell’s repair machinery is triggered to fix the break (C). This sequence lets the cell incorporate or delete a piece of DNA as desired.
Detailed Explanation
The guide RNA first finds the exact DNA spot. Other options are incorrect because This answer says Cas9 cuts before the guide RNA binds; This option puts recognition before the guide RNA binds.
Key Concepts
Gene Editing
CRISPR-Cas9 Mechanism
Bacterial Immune System
Topic
CRISPR-Cas9 Technology
Difficulty
easy level question
Cognitive Level
understand
Practice Similar Questions
Test your understanding with related questions
1
Question 1How does CRISPR-Cas9 technology specifically improve the efficiency of gene editing in organisms?
mediumBiological-sciences
Practice
2
Question 2What is the primary reason CRISPR-Cas9 technology is effective in gene editing?
easyBiological-sciences
Practice
3
Question 3Arrange the following steps in the CRISPR-Cas9 genome editing process in the correct order: A) The guide RNA binds to the target DNA sequence, B) Cas9 protein creates a double-strand break in the DNA, C) The cell's repair mechanisms are activated, D) The desired genetic modification is introduced during repair.
mediumBiological-sciences
Practice
4
Question 4How does the CRISPR-Cas9 system achieve precise genome editing?
mediumBiological-sciences
Practice
5
Question 5In CRISPR-Cas9 genome editing, the Cas9 protein acts as molecular scissors that cut DNA at specific sites, guided by a sequence known as __________.
easyBiological-sciences
Practice
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