Molecular Basis of InheritanceHard
Question
During transciption holoenxyme RNA polymerase binds to a DNA sequence and the DNA assumes a saddle like structure at that point. Whae is that sequence celled ?
Options
A.CAAT box
B.GGTT box
C.AAAT box
D.TATA box
Solution
TATA box is present in eukaryotic promoter region. It has a resemblance with Pribnow box of prokaryotes. TATA box was identified by Dr. Hogness and so, it is also called as Hogness box. It is a 7 bp long region located 20 bp upstream to the start point. During the process of tran scription the RNA polymerase (a holoenzyme which has a core unit and a sigma factor forproper initiatipn of transcription) binds to TATA box due to which DNA assumes a saddle like structure at this place.
Create a free account to view solution
View Solution FreeMore Molecular Basis of Inheritance Questions
During DNA replication, the strands separate by...Which one of the folloeing trile codes, is correctly matched with its specificity for an amino and in protein synthesis ...Out of A = T, G ≡ C pairing, bases of DNA may exist in alternate valency state owing to arranfement called...Whic one of the following hyrolyses internal phosphodiester bonds in a polynucleotide chain ?...Number of Nucleosomes found in helical coil of 30 nm chromatin fibre is...