Assertion : Replication and transcription occur in nucleus but translation in cytoplasm. Reason : m-

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5.Molecular Basis of Inheritance

medium

Assertion : Replication and transcription occur in the nucleus but translation in the cytoplasm.

Reason : $m-RNA$ is transferred from the nucleus into the cytoplasm where ribosomes and amino acids are available for protein synthesis.

If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.

If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.

If the Assertion is correct but Reason is incorrect.

If both the Assertion and Reason are incorrect.

(AIIMS-2005)

Solution

$DNA$ is the master copy which transcribes to form working copy in the form of $mRNA$ which translates in the form of peptide chain in the cytoplasm. It is also called central dogma.

Standard 12

Biology

Arrange them on the basis of increasing size:

medium

(AIIMS-2019)

Which of the following statements are correct?

$i. r-RNA$ provides the template for synthesis of proteins.

$ii.$$ t-RNA$ brings amino acids and reads the genetic code.

$iii. $$RNA$ polymerase binds to promoter and initiates transcription.

$iv. $A segment of $DNA$ coding for polypeptide is called intron.

medium

$A$ : $c-DNA$ libraries are important to scientists in human genomics.
$R$ : $c-DNA$ is synthetic type of $DNA$ generated from $mRNA$

medium

Match List $I$ with List $II$ .

List $I$ List $II$

$A$. Frederick Griffith $I$. Genetic code

$B$. Francois Jacob and Jacque Monod $II$. Semi-conservative mode of DNA replication

$C$. Har Gobind Khorana $III$. Transformation

$D$. Meselson and Stahl $IV$. Lac operon

Choose the correct answer from the options given below:

medium

(NEET-2024)

Give scientific reasons : It is essential that $ tRNA$ binds to both amino acids and $mRNA$ codon during
protein synthesis.

easy

List $I$	List $II$
$A$. Frederick Griffith	$I$. Genetic code
$B$. Francois Jacob and Jacque Monod	$II$. Semi-conservative mode of DNA replication
$C$. Har Gobind Khorana	$III$. Transformation
$D$. Meselson and Stahl	$IV$. Lac operon

Assertion : Replication and transcription occur in the nucleus but translation in the cytoplasm. Reason : $m-RNA$ is transferred from the nucleus into the cytoplasm where ribosomes and amino acids are available for protein synthesis.

Solution

Similar Questions

Arrange them on the basis of increasing size:

$A$ : $c-DNA$ libraries are important to scientists in human genomics. $R$ : $c-DNA$ is synthetic type of $DNA$ generated from $mRNA$

Give scientific reasons : It is essential that $ tRNA$ binds to both amino acids and $mRNA$ codon during protein synthesis.

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Assertion : Replication and transcription occur in the nucleus but translation in the cytoplasm.

Reason : $m-RNA$ is transferred from the nucleus into the cytoplasm where ribosomes and amino acids are available for protein synthesis.

$A$ : $c-DNA$ libraries are important to scientists in human genomics.
$R$ : $c-DNA$ is synthetic type of $DNA$ generated from $mRNA$

Give scientific reasons : It is essential that $ tRNA$ binds to both amino acids and $mRNA$ codon during
protein synthesis.