Define the following terms: Replication fork and Transcription.
(N/A) $1$. Replication fork: For long $DNA$ molecules,since the two strands of $DNA$ cannot be separated in their entire length,the replication occurs within a small opening of the $DNA$ helix,which is referred to as the replication fork.
$2$. Transcription: The process of copying genetic information from one strand of the $DNA$ into $RNA$ is termed as transcription.
$2$. Transcription: The process of copying genetic information from one strand of the $DNA$ into $RNA$ is termed as transcription.
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Read the following four statements ($1$ to $4$):
$1$. In transcription,uracil pairs with adenosine.
$2$. Regulation of $lac$ operon by a repressor is referred to as positive regulation.
$3$. The human genome contains approximately $50,000$ genes.
$4$. Haemophilia is a sex-linked recessive disease.
How many of the above statements are correct?
$1$. In transcription,uracil pairs with adenosine.
$2$. Regulation of $lac$ operon by a repressor is referred to as positive regulation.
$3$. The human genome contains approximately $50,000$ genes.
$4$. Haemophilia is a sex-linked recessive disease.
How many of the above statements are correct?
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View SolutionFor protein synthesis,$P$ can directly code,while each nucleotide of $Q$ has a $2'-OH$ group in its sugar. Identify $P$ and $Q$.
$\quad\quad P\quad Q$
$\quad\quad P\quad Q$
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View SolutionThe $1$ gene $1$ enzyme relationship was first established in .......... .
The given figure shows the structure of a nucleosome with its parts labelled as $A, B$ and $C$. Identify $A, B$ and $C$.
$A$ $DNA$ strand is directly involved in the synthesis of the following,except:
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