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In the following question, a statement of Assertion(A) is given followed by a corresponding statement of Reason(R). Read the statements carefully, and mark the correct answer.
Assertion(A): A single strand of m-RNA is capable of forming a number of different polypeptide chains.
Reason(R): Termination codons occur in m-RNA.
Assertion(A): A single strand of m-RNA is capable of forming a number of different polypeptide chains.
Reason(R): Termination codons occur in m-RNA.
- a)Both assertion and reason are true and reason is the correct explanation of assertion.
- b)Both assertion and reason are true but reason is not the correct explanation of assertion.
- c)Assertion is true but reason is false.
- d)Both assertion and reason are false.
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
In the following question, a statement of Assertion(A) is given follow...
Messenger RNA (mRNA) is a molecule of RNA encoding a chemical "blueprint" for a protein product. mRNA brings instructions from the DNA for the formation of particular type of polypeptide. The instructions are present in the base sequence of its nucleotides. mRNA has methylated region at the 5'terminus. It functions as a cap for attachment with ribosome. Cap is followed by an initiation codon (AUG) either immediately or after a small noncoding region. An mRNA may specify only a singled monocistronic while the latter is known as polycistronic.
Three of the 64 codons are UAG (amber), UAA (ochre) and UGA (opal or umber), they bring about termination of polypeptide chain synthesis and are called termination codons or stop codons.
Three of the 64 codons are UAG (amber), UAA (ochre) and UGA (opal or umber), they bring about termination of polypeptide chain synthesis and are called termination codons or stop codons.
Most Upvoted Answer
In the following question, a statement of Assertion(A) is given follow...
Bro MRNA to banta hi isiliy h . Or termination codon to mrna m hoga hi nhi to chain kabhi stop hi nhi hogy . Or terminating codon ka polypeptide chain se koi relation nhi h . but dono statement apni jagah correct h . ok bro
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In the following question, a statement of Assertion(A) is given follow...
Assertion Analysis
The assertion states that a single strand of m-RNA is capable of forming a number of different polypeptide chains.
- This is true because m-RNA can be translated multiple times by ribosomes, leading to the synthesis of various polypeptides, especially in processes like alternative splicing or different reading frames.
Reason Analysis
The reason provided indicates that termination codons occur in m-RNA.
- This statement is also true. Termination codons (UAA, UAG, UGA) signal the end of protein synthesis during translation.
Relationship Between Assertion and Reason
While both statements are true, the reason does not provide a correct explanation for the assertion:
- The ability of a single m-RNA to form multiple polypeptides is due to various factors such as alternative splicing, post-translational modifications, and the translation process itself, rather than solely the presence of termination codons.
Conclusion
Hence, the correct answer is option 'B':
- Both assertion and reason are true, but the reason is not the correct explanation of the assertion.
This distinction highlights the complexity of gene expression and translation, emphasizing that multiple factors contribute to the diversity of polypeptides produced from a single m-RNA strand.
The assertion states that a single strand of m-RNA is capable of forming a number of different polypeptide chains.
- This is true because m-RNA can be translated multiple times by ribosomes, leading to the synthesis of various polypeptides, especially in processes like alternative splicing or different reading frames.
Reason Analysis
The reason provided indicates that termination codons occur in m-RNA.
- This statement is also true. Termination codons (UAA, UAG, UGA) signal the end of protein synthesis during translation.
Relationship Between Assertion and Reason
While both statements are true, the reason does not provide a correct explanation for the assertion:
- The ability of a single m-RNA to form multiple polypeptides is due to various factors such as alternative splicing, post-translational modifications, and the translation process itself, rather than solely the presence of termination codons.
Conclusion
Hence, the correct answer is option 'B':
- Both assertion and reason are true, but the reason is not the correct explanation of the assertion.
This distinction highlights the complexity of gene expression and translation, emphasizing that multiple factors contribute to the diversity of polypeptides produced from a single m-RNA strand.
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In the following question, a statement of Assertion(A) is given followed by a corresponding statement of Reason(R). Read the statements carefully, and mark the correct answer.Assertion(A): A single strand of m-RNA is capable of forming a number of different polypeptide chains.Reason(R): Termination codons occur in m-RNA.a)Both assertion and reason are true and reason is the correct explanation of assertion.b)Both assertion and reason are true but reason is not the correct explanation of assertion.c)Assertion is true but reason is false.d)Both assertion and reason are false.Correct 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 In the following question, a statement of Assertion(A) is given followed by a corresponding statement of Reason(R). Read the statements carefully, and mark the correct answer.Assertion(A): A single strand of m-RNA is capable of forming a number of different polypeptide chains.Reason(R): Termination codons occur in m-RNA.a)Both assertion and reason are true and reason is the correct explanation of assertion.b)Both assertion and reason are true but reason is not the correct explanation of assertion.c)Assertion is true but reason is false.d)Both assertion and reason are false.Correct 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 In the following question, a statement of Assertion(A) is given followed by a corresponding statement of Reason(R). Read the statements carefully, and mark the correct answer.Assertion(A): A single strand of m-RNA is capable of forming a number of different polypeptide chains.Reason(R): Termination codons occur in m-RNA.a)Both assertion and reason are true and reason is the correct explanation of assertion.b)Both assertion and reason are true but reason is not the correct explanation of assertion.c)Assertion is true but reason is false.d)Both assertion and reason are false.Correct answer is option 'B'. Can you explain this answer?.
In the following question, a statement of Assertion(A) is given followed by a corresponding statement of Reason(R). Read the statements carefully, and mark the correct answer.Assertion(A): A single strand of m-RNA is capable of forming a number of different polypeptide chains.Reason(R): Termination codons occur in m-RNA.a)Both assertion and reason are true and reason is the correct explanation of assertion.b)Both assertion and reason are true but reason is not the correct explanation of assertion.c)Assertion is true but reason is false.d)Both assertion and reason are false.Correct 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 In the following question, a statement of Assertion(A) is given followed by a corresponding statement of Reason(R). Read the statements carefully, and mark the correct answer.Assertion(A): A single strand of m-RNA is capable of forming a number of different polypeptide chains.Reason(R): Termination codons occur in m-RNA.a)Both assertion and reason are true and reason is the correct explanation of assertion.b)Both assertion and reason are true but reason is not the correct explanation of assertion.c)Assertion is true but reason is false.d)Both assertion and reason are false.Correct 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 In the following question, a statement of Assertion(A) is given followed by a corresponding statement of Reason(R). Read the statements carefully, and mark the correct answer.Assertion(A): A single strand of m-RNA is capable of forming a number of different polypeptide chains.Reason(R): Termination codons occur in m-RNA.a)Both assertion and reason are true and reason is the correct explanation of assertion.b)Both assertion and reason are true but reason is not the correct explanation of assertion.c)Assertion is true but reason is false.d)Both assertion and reason are false.Correct answer is option 'B'. Can you explain this answer?.
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