Which of the following proteins first binds to TATA box during transcription? TF II D RNA polymerase TF II A TF II B TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is a product of transcription? all of these tRNA rRNA mRNA TRUE ANSWER : ? YOUR ANSWER : ?
An mRNA transcript of a gene contains a start codon a terminator all of these a stop codon TRUE ANSWER : ? YOUR ANSWER : ?
What is the usual sequence of a Pribnow box? TATAAT UUUUU TTGACA AUAUA TRUE ANSWER : ? YOUR ANSWER : ?
A level of regulation, demonstrated by the termination of transcription if tryptophan is abundant, by the tryptophan operon in E.coli cells is called corepression desiccation activation attenuation TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following enzyme(s) is/are required for lactose fermentation? Transacetylase β-galactosidase All of these Galactoside permease TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following enzyme is used for synthesis of RNA under the direction of DNA? DNA polymerase DNA ligase RNA polymerase RNA ligase TRUE ANSWER : ? YOUR ANSWER : ?
The components found in all prokaryotic transcription terminators is a poly-U region Rho factor none of these a hairpin structure TRUE ANSWER : ? YOUR ANSWER : ?
The location of first hexameric sequence typically found in pro-karyotic promoters is approximately 35 bases upstream of the transcription start site at the transcription start site approximately 10 bases upstream of the transcription start site approximately 25 bases upstream of the transcription start site TRUE ANSWER : ? YOUR ANSWER : ?
A specific __________ factor helps RNA polymerase bind to late promoters and transcribe late genes. delta gamma sigma beta TRUE ANSWER : ? YOUR ANSWER : ?