List of top Biology Questions on Transcription

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R

Assertion (A) : In eukaryotes, transcription occurs in nucleus.

Reason (R) : In bacteria, transcription and translation occurs in cytoplasm.

In the light of the above statements, choose the correct answer from the options given below

Many ribosomes may associate with a single $mRNA$ to form multiple copies of a polypeptide simultaneously. Such strings of ribosomes are termed as
Which is present at 5' end of eukaryotic m-RNA
ATCCAG DNA form which mRNA
Which one mRNA can be transcripted?
Poisonous Poison of mushroom inhibits formation of
Which is formed in G2 ?
If there are 999 bases in an RNA that codes for a protein with 333 amino acids, and the base at position 901 is deleted such that the length of the RNA becomes 998 bases, how many codons will be altered?
The equivalent of a structural gene is -
Select the correct option.
Direction of RNA synthesisDirection of reading of the template DNA strand
(1)3' — 5'5' — 3'
(2)5' — 3'5' — 3'
(3)3' — 5'3' — 5'
(4)5' — 3'3' — 5'
Which of the following is the pribnow box?
Read the following four statements (A - D). (A) In transcription, adenosine pairs with uracil. (B) Regulation of lac operon by repressor is referred to as positive regulation. (C) The human genome has approximately 50,000 genes. (D) Haemophilia is a sex-linked recessive disease. How many of the above statements are right?
The immediate product of transcription in eukaryotes will be
RNA polymerase- $II$ is responsible for transcription of
Replication and transcription occur in the nucleus but translation occurs in the cytoplasm. m RNA is transferred from the nucleus into the cytoplasm where ribosomes and amino acids are available for protein synthesis.
Reverse transcription results in the synthesis of
Teminism is same as

Given below is the sequence of steps of transcription in eukaryotic cell. Fill up the blank 1, 2, 3, 4 left in the sequence. 

Compare the statements A and B.
Polycistronic messenger $ RNA (mRNA)$ usually occurs in