NEET Exam > NEET Questions > Given below are two statements: one is labell...
Start Learning for Free
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : When a particular restriction enzyme cuts strand of DNA, overhanging stretches or sticky ends are formed.
Reason (R) : Some restriction enzymes cut the strand of DNA a little away from the centre of palindromic site.
In the light of the above statements, choose the correct answer from the options given below :
- a)(A) is not correct but (R) is correct
- b)Both (A) and (R) are correct and (R) is the correct explanation of (A)
- c)Both (A) and (R) are correct but (R) is not the correct explanation of (A)
- d)(A) is correct but (R) is not correct
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Given below are two statements: one is labelled as Assertion (A) and t...
Option (b) is the correct answer because when restriction enzymes cut the strand of DNA a little away from the centre of the palindrome sites, but between the same two bases on the opposite strands, then single stranded portions are left at the ends. These overhanging stretches on each strand are called sticky ends.
Free Test
FREE
| Start Free Test |
Community Answer
Given below are two statements: one is labelled as Assertion (A) and t...
Understanding the Assertion and Reason
The Assertion (A) and Reason (R) pertain to the function and characteristics of restriction enzymes in molecular biology.
Assertion (A)
- Definition: When a restriction enzyme cuts DNA, it can create overhanging stretches of nucleotides known as sticky ends.
- Significance: Sticky ends facilitate the ligation of DNA fragments, which is crucial for cloning and genetic engineering.
Reason (R)
- Cutting Mechanism: Certain restriction enzymes do indeed cut the DNA at specific sites that are not centrally located within the palindromic sequences.
- Palindromic Sites: These are sequences of DNA that read the same forward and backward, and the non-central cutting leads to the formation of sticky ends.
Evaluation of the Statements
- Correctness of (A): The assertion is accurate; sticky ends are a direct result of how certain restriction enzymes cleave DNA.
- Correctness of (R): The reason is also correct; it explains how the asymmetric cutting of the palindromic sequences by some restriction enzymes results in the formation of these sticky ends.
Relationship Between (A) and (R)
- Explanation: Since reason (R) discusses the mechanism behind the formation of sticky ends as stated in assertion (A), it serves as a valid explanation for the assertion.
Conclusion
- The correct answer is option B: Both (A) and (R) are correct, and (R) is the correct explanation of (A). This reflects the interconnected nature of how restriction enzymes function and the significance of their cutting patterns in genetic manipulation.
The Assertion (A) and Reason (R) pertain to the function and characteristics of restriction enzymes in molecular biology.
Assertion (A)
- Definition: When a restriction enzyme cuts DNA, it can create overhanging stretches of nucleotides known as sticky ends.
- Significance: Sticky ends facilitate the ligation of DNA fragments, which is crucial for cloning and genetic engineering.
Reason (R)
- Cutting Mechanism: Certain restriction enzymes do indeed cut the DNA at specific sites that are not centrally located within the palindromic sequences.
- Palindromic Sites: These are sequences of DNA that read the same forward and backward, and the non-central cutting leads to the formation of sticky ends.
Evaluation of the Statements
- Correctness of (A): The assertion is accurate; sticky ends are a direct result of how certain restriction enzymes cleave DNA.
- Correctness of (R): The reason is also correct; it explains how the asymmetric cutting of the palindromic sequences by some restriction enzymes results in the formation of these sticky ends.
Relationship Between (A) and (R)
- Explanation: Since reason (R) discusses the mechanism behind the formation of sticky ends as stated in assertion (A), it serves as a valid explanation for the assertion.
Conclusion
- The correct answer is option B: Both (A) and (R) are correct, and (R) is the correct explanation of (A). This reflects the interconnected nature of how restriction enzymes function and the significance of their cutting patterns in genetic manipulation.
|
Explore Courses for NEET exam
|
|
Top Courses for NEETView all
Question Description
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).Assertion (A) : When a particular restriction enzyme cuts strand of DNA, overhanging stretches or sticky ends are formed.Reason (R) : Some restriction enzymes cut the strand of DNA a little away from the centre of palindromic site.In the light of the above statements, choose the correct answer from the options given below :a)(A) is not correct but (R) is correctb)Both (A) and (R) are correct and (R) is the correct explanation of (A)c)Both (A) and (R) are correct but (R) is not the correct explanation of (A)d)(A) is correct but (R) is not correctCorrect answer is option 'B'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).Assertion (A) : When a particular restriction enzyme cuts strand of DNA, overhanging stretches or sticky ends are formed.Reason (R) : Some restriction enzymes cut the strand of DNA a little away from the centre of palindromic site.In the light of the above statements, choose the correct answer from the options given below :a)(A) is not correct but (R) is correctb)Both (A) and (R) are correct and (R) is the correct explanation of (A)c)Both (A) and (R) are correct but (R) is not the correct explanation of (A)d)(A) is correct but (R) is not correctCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).Assertion (A) : When a particular restriction enzyme cuts strand of DNA, overhanging stretches or sticky ends are formed.Reason (R) : Some restriction enzymes cut the strand of DNA a little away from the centre of palindromic site.In the light of the above statements, choose the correct answer from the options given below :a)(A) is not correct but (R) is correctb)Both (A) and (R) are correct and (R) is the correct explanation of (A)c)Both (A) and (R) are correct but (R) is not the correct explanation of (A)d)(A) is correct but (R) is not correctCorrect answer is option 'B'. Can you explain this answer?.
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).Assertion (A) : When a particular restriction enzyme cuts strand of DNA, overhanging stretches or sticky ends are formed.Reason (R) : Some restriction enzymes cut the strand of DNA a little away from the centre of palindromic site.In the light of the above statements, choose the correct answer from the options given below :a)(A) is not correct but (R) is correctb)Both (A) and (R) are correct and (R) is the correct explanation of (A)c)Both (A) and (R) are correct but (R) is not the correct explanation of (A)d)(A) is correct but (R) is not correctCorrect answer is option 'B'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).Assertion (A) : When a particular restriction enzyme cuts strand of DNA, overhanging stretches or sticky ends are formed.Reason (R) : Some restriction enzymes cut the strand of DNA a little away from the centre of palindromic site.In the light of the above statements, choose the correct answer from the options given below :a)(A) is not correct but (R) is correctb)Both (A) and (R) are correct and (R) is the correct explanation of (A)c)Both (A) and (R) are correct but (R) is not the correct explanation of (A)d)(A) is correct but (R) is not correctCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).Assertion (A) : When a particular restriction enzyme cuts strand of DNA, overhanging stretches or sticky ends are formed.Reason (R) : Some restriction enzymes cut the strand of DNA a little away from the centre of palindromic site.In the light of the above statements, choose the correct answer from the options given below :a)(A) is not correct but (R) is correctb)Both (A) and (R) are correct and (R) is the correct explanation of (A)c)Both (A) and (R) are correct but (R) is not the correct explanation of (A)d)(A) is correct but (R) is not correctCorrect answer is option 'B'. Can you explain this answer?.
Solutions for Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).Assertion (A) : When a particular restriction enzyme cuts strand of DNA, overhanging stretches or sticky ends are formed.Reason (R) : Some restriction enzymes cut the strand of DNA a little away from the centre of palindromic site.In the light of the above statements, choose the correct answer from the options given below :a)(A) is not correct but (R) is correctb)Both (A) and (R) are correct and (R) is the correct explanation of (A)c)Both (A) and (R) are correct but (R) is not the correct explanation of (A)d)(A) is correct but (R) is not correctCorrect answer is option 'B'. Can you explain this answer? in English & in Hindi are available as part of our courses for NEET.
Download more important topics, notes, lectures and mock test series for NEET Exam by signing up for free.
Here you can find the meaning of Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).Assertion (A) : When a particular restriction enzyme cuts strand of DNA, overhanging stretches or sticky ends are formed.Reason (R) : Some restriction enzymes cut the strand of DNA a little away from the centre of palindromic site.In the light of the above statements, choose the correct answer from the options given below :a)(A) is not correct but (R) is correctb)Both (A) and (R) are correct and (R) is the correct explanation of (A)c)Both (A) and (R) are correct but (R) is not the correct explanation of (A)d)(A) is correct but (R) is not correctCorrect answer is option 'B'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).Assertion (A) : When a particular restriction enzyme cuts strand of DNA, overhanging stretches or sticky ends are formed.Reason (R) : Some restriction enzymes cut the strand of DNA a little away from the centre of palindromic site.In the light of the above statements, choose the correct answer from the options given below :a)(A) is not correct but (R) is correctb)Both (A) and (R) are correct and (R) is the correct explanation of (A)c)Both (A) and (R) are correct but (R) is not the correct explanation of (A)d)(A) is correct but (R) is not correctCorrect answer is option 'B'. Can you explain this answer?, a detailed solution for Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).Assertion (A) : When a particular restriction enzyme cuts strand of DNA, overhanging stretches or sticky ends are formed.Reason (R) : Some restriction enzymes cut the strand of DNA a little away from the centre of palindromic site.In the light of the above statements, choose the correct answer from the options given below :a)(A) is not correct but (R) is correctb)Both (A) and (R) are correct and (R) is the correct explanation of (A)c)Both (A) and (R) are correct but (R) is not the correct explanation of (A)d)(A) is correct but (R) is not correctCorrect answer is option 'B'. Can you explain this answer? has been provided alongside types of Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).Assertion (A) : When a particular restriction enzyme cuts strand of DNA, overhanging stretches or sticky ends are formed.Reason (R) : Some restriction enzymes cut the strand of DNA a little away from the centre of palindromic site.In the light of the above statements, choose the correct answer from the options given below :a)(A) is not correct but (R) is correctb)Both (A) and (R) are correct and (R) is the correct explanation of (A)c)Both (A) and (R) are correct but (R) is not the correct explanation of (A)d)(A) is correct but (R) is not correctCorrect answer is option 'B'. Can you explain this answer? theory, EduRev gives you an
ample number of questions to practice Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).Assertion (A) : When a particular restriction enzyme cuts strand of DNA, overhanging stretches or sticky ends are formed.Reason (R) : Some restriction enzymes cut the strand of DNA a little away from the centre of palindromic site.In the light of the above statements, choose the correct answer from the options given below :a)(A) is not correct but (R) is correctb)Both (A) and (R) are correct and (R) is the correct explanation of (A)c)Both (A) and (R) are correct but (R) is not the correct explanation of (A)d)(A) is correct but (R) is not correctCorrect answer is option 'B'. Can you explain this answer? tests, examples and also practice NEET tests.
|
|
Explore Courses for NEET exam
|
|
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
|
© EduRev
|
Education Revolution
|
|
Signup on EduRev and stay on top of your study goals
10M+ students crushing their study goals daily