RNA polymerase is an enzyme that helps in the first step of gene transmission, i.e., transcription. Transcription is the transfer of genetic information from
A
DNA to RNA
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
tRNA to mRNA
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
DNA to mRNA
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
mRNA to tRNA
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is B DNA to mRNA Transcription is the first step of gene expression, in which a particular segment of DNA is copied into mRNA by the enzyme RNA polymerase. The DNA sequence is read by an RNA polymerase, which produces complementary, antiparallel RNA strand called primary transcript.
General steps involved in transcription are:
A) Binding with the promoter region of the DNA
B) Separation of the strands of the DNA helix.
C) Addition of RNA nucleotides and formation of an RNA strand
D) RNA further processed through polyadenylation, capping and splicing activities.