Directions: Two statements are given-one labelled Assertion and the other labelled Reason. Select the correct answer to these questions from the codes (a), (b), (c) and (d) as given below.Assertion : /RNA acts as an adapter molecule.Reason : /RNA recognizes codon sequence of mRNA during translation.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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Directions: Two statements are given-one labelled Assertion and the other labelled Reason. Select the correct answer to these questions from the codes (a), (b), (c) and (d) as given below.

Assertion : /RNA acts as an adapter molecule.

Reason : /RNA recognizes codon sequence of mRNA during translation.

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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Directions: Two statements are given-one labelled Assertion and the o...

F-RNA is an adaptor molecule because it adapts amino acid to bring it to protein synthesis site in activated form and not because it recognises the codon on mRNA.

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Directions: Two statements are given-one labelled Assertion and the o...

Assertion: RNA acts as an adapter molecule.
Reason: RNA recognizes codon sequence of mRNA during translation.

The correct answer for this question is option B - Both assertion and reason are true but the reason is not the correct explanation of the assertion.

Explanation:

What is the Assertion?
The assertion states that RNA acts as an adapter molecule.

What is an Adapter Molecule?
In molecular biology, an adapter molecule refers to a molecule that plays a role in connecting or bridging two other molecules. In the context of translation, an adapter molecule is required to connect the genetic code on mRNA with the corresponding amino acids during protein synthesis.

What is the Reason?
The reason states that RNA recognizes the codon sequence of mRNA during translation.

What is Translation?
Translation is the process in which the genetic information encoded in the mRNA is used to synthesize a protein. During translation, the mRNA sequence is read in groups of three nucleotides called codons. Each codon corresponds to a specific amino acid.

Explanation of Reason:
The reason provided is not a correct explanation of the assertion. While it is true that RNA recognizes the codon sequence of mRNA during translation, this alone does not explain why RNA acts as an adapter molecule.

Why does RNA act as an Adapter Molecule?
RNA acts as an adapter molecule because it carries out an important function in translation. Specifically, there are two types of RNA molecules involved in translation - transfer RNA (tRNA) and ribosomal RNA (rRNA).

1. Transfer RNA (tRNA): tRNA molecules have a specific structure that allows them to recognize and bind to specific codons on the mRNA. Each tRNA molecule carries an amino acid that is specific to the codon it recognizes. By binding to the codon, tRNA brings the corresponding amino acid to the growing polypeptide chain during protein synthesis.

2. Ribosomal RNA (rRNA): rRNA molecules are structural components of ribosomes, which are large complexes of proteins and rRNA. Ribosomes facilitate the assembly of amino acids into polypeptide chains based on the mRNA template. The rRNA molecules within the ribosome help position the tRNA molecules and facilitate the formation of peptide bonds between amino acids.

Therefore, RNA acts as an adapter molecule because it plays a critical role in connecting the genetic code on mRNA with the corresponding amino acids during translation. The reason provided in the question, while true, does not adequately explain this role of RNA as an adapter molecule.

Answered by Sushil Kumar · View profile

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Directions: Two statements are given-one labelled Assertion and the other labelled Reason. Select the correct answer to these questions from the codes (a), (b), (c) and (d) as given below.Assertion : /RNA acts as an adapter molecule.Reason : /RNA recognizes codon sequence of mRNA during translation.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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