Transcription

Choose the correct statements from the following.

A) Coding strand in DNA will be coding the m-RNA.

B) If two RNA molecules are produced simultaneously, they will form a double stranded RNA.

C) In prokaryotes, the structural gene is polycistronic.

D) The expressed gene sequences are defined as exons.

Identify the correct statement:

Which of the following statements are correct?
(i) $RNA$ polymerase I transcribes undefined
(ii) $RNA$ polymerase II transcribes $snRNAs.$
(iii) $RNA$ polymerase III transcribes $hnRNA.$
(iv) $RNA$ polymerase II transcribes $hnRNA.$

'One gene one enzyme' concept was put forward by:

Name the initiation and termination factors of transcription in prokaryotes.

If coding strand of DNA has the nitrogenous base sequence as 5'ATGCTA3'. What would be the mRNA strand sequence?

The removal of RNA polymerase II from __A__ in eukaryotic cell will affect the synthesis of __B__.

A fully processed hnRNA is called mature RNA, which does not possess

Read the following statements with respect to transcription.

A. There is a single RNA polymerase enzyme that catalyzes transcription of all types of RNA in prokaryotes.

B. Termination is controlled by $\mathrm{\sigma }$ factor.

C. In eukaryotes, the polycistronic genes have interrupted coding sequences.

D. Additional regulatory sequence may be present further upstream or downstream to the promoter.

Correct statement is/are:

A promoter site on DNA

The given diagram represents a transcription unit in DNA.Select the statement that correctly describes the transcription unit.

Find the odd one out with respect to structure of transcription unit.

 What is the process of copying of genetic information from DNA to RNA ?

The functional unit of gene that is involved in synthesis of polypeptide is

From the following, which is not the component of transcription unit?

Sequence of nucleotides in mRNA is similar to which strand of DNA, except uracil in place of thymine?

Consider the following statements (A–D) related to transcription and select the correct option stating which ones are true (T) and which ones are false (F).

A. In transcription, only a segment of DNA and only one of the strands is copied into RNA.

B. There are primarily three regions in a transcription unit: promoter, repressor and terminator.

C. The DNA strand that has polarity 3'–5' acts as template and it referred to as antisense strand.

D. In a transcription unit, the promoter is located towards 5' end (upstream) of the coding strand.

Name the person who was awarded Nobel prize in 1980 for determining the sequence of nucleotides of genes in a virus.

To code the 50 amino acids in a polypeptide chain, what will be the minimum number of nucleotides in its cistron?