A transcription unit in DNA is defined primarily by three regions in DNA and these are with respect

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5.Molecular Basis of Inheritance

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A transcription unit in $DNA$ is defined primarily by the three regions in $DNA$ and these are with respect to upstream and down stream end;

Structural gene, Transposons, Operator gene

Inducer, Repressor, Structural gene

Promotor, Structural gene, Terminator

Repressor, Operator gene, Structural gene

(NEET-2024)

Solution

A transcription unit of $DNA$ is defined primarily by the three regions in the $DNA$:

($i$) A promoter

($ii$) The structural gene

($iii$) A terminator

The promoter is said to be located towards $5^{\prime}$-end (upstream) of the structural gene (the reference is made with respect to the polarity of coding strand)

The terminator is located towards $3^{\prime}$-end (downstream) of the coding strand.

Standard 12

Biology

$A$ : $RNA$ polymerase is of three types in eukaryotes for the synthesis of all types of $RNAs$.
$R$ : $RNA$ polymerase consists of six types of polypeptides alongwith rho factor which is involved in termination of
$RNA$ synthesis.

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Which of the following is correct for $m-RNA$ in eukaryotes ?

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If one strand of $DNA$ has the nitrogenous base sequence as $ATCTG$, what would be the complementary $RNA$ strand sequence?

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(AIPMT-2012)

Give scientific reasons : Both the strands of $DNA$ are not copied during transcription.

easy

Splicing of $RNA$ means……

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A transcription unit in $DNA$ is defined primarily by the three regions in $DNA$ and these are with respect to upstream and down stream end;

Solution

Similar Questions

$A$ : $RNA$ polymerase is of three types in eukaryotes for the synthesis of all types of $RNAs$. $R$ : $RNA$ polymerase consists of six types of polypeptides alongwith rho factor which is involved in termination of $RNA$ synthesis.

Which of the following is correct for $m-RNA$ in eukaryotes ?

If one strand of $DNA$ has the nitrogenous base sequence as $ATCTG$, what would be the complementary $RNA$ strand sequence?

Give scientific reasons : Both the strands of $DNA$ are not copied during transcription.

Splicing of $RNA$ means……

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$A$ : $RNA$ polymerase is of three types in eukaryotes for the synthesis of all types of $RNAs$.
$R$ : $RNA$ polymerase consists of six types of polypeptides alongwith rho factor which is involved in termination of
$RNA$ synthesis.