Molecular Basis of Inheritance Question 136
136. During transcription holoenzyme RNA polymerase binds to a DNA sequence and the DNA assumes a saddle like structure at that point. What is that sequence called?
(a) AAAT box
(b) TATA box
(c) GGTT box
(d) CAAT box
Show Answer
Answer : b
Hints & Solution
(b) About 28 base pairs from transcription start site are TATA boxes. After 40 bases from TATA boxes appears LAAT boxes. Both of these sequence serve as recognition site in eukaryotic promoters (Transcription in eukaryotic genes in a far more complicated process than in prokaryotes)
