Practice Guide RNA (gRNA) Design and PAM Sequences - 3 | CRISPR-Cas Systems and Genome Editing Tools | Genetic Engineering Advance
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Guide RNA (gRNA) Design and PAM Sequences

3 - Guide RNA (gRNA) Design and PAM Sequences

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What does gRNA stand for?

💡 Hint: Consider what it's guiding.

Question 2 Easy

What does PAM stand for?

💡 Hint: Think about the role of PAM in CRISPR.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the length of a typical gRNA sequence?

15 nt
20 nt
25 nt

💡 Hint: Think about how specific you need to be in a targeting sequence.

Question 2

Is PAM necessary for the functioning of Cas enzymes?

True
False

💡 Hint: Remember the role of locks and keys in binding.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given a target DNA sequence of 'ACGTTAGC', suggest a potential gRNA sequence and explain its importance.

💡 Hint: Ensure to analyze the area next to the target DNA for PAM correctness.

Challenge 2 Hard

Critically analyze how changes in either gRNA or PAM sequence could affect the CRISPR editing outcome.

💡 Hint: Consider the Keystones of CRISPR: gRNA leads, PAM supports.

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Reference links

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