The core RNA polymerase is capable of catalyzing which steps of transcription ?

(1) Initiation only

(2) Elongation only

(3) Termination only

(4) All of these

The function of the rho protein is 

1. to help terminate translation

2. to help RNA polymerase bind to the DNA

3. to help RNA polymerase find a promoter

4. to help terminate transcription

Which of the following RNAs should be most abundant in animals cell ?

(1) rRNA

(2) tRNA

(3) mRNA

(4) miRNA

The equivalent of a structural gene is

(1) muton

(2) cistron

(3) operon

(4) recon

Which one of the following is the start codon?

(1) UGA

(2) UAA

(3) UAG

(4) AUG

The core enzyme which requires the factor for termination of RNA synthesis at some sites is known as

(1)Sigma factor

(2)Rho factor

(3)Gamma factor

(4)Alpha particle

Which principle govern the principle of transcription?

(a)Cleavage of phosphodiester bond

(b)Phosphorylation

(c)Complementarity

(d)duplication

The direction of transcription is

(1)always from 5’ to 3’

(2)always from 3’ to 5’

(3)depends on the template direction

(4)sometimes 5’ to 3’ and sometimes 3’ to 5’

How many RNA-dependent RNA Polymerase are there for the transcription of all types of RNA in bacteria?

(1)0

(2)1

(3)2

(4)3

Which of the following is not true for RNA Polymerase?

1. It binds to promoter for initiation of transcription

2. template dependent mode of action

3. It follows the rule of complementarity

4. It uses nucleotide triphosphate as substrate