The sigma factor accomplishes DNA restriction recognizes the promotor provides the catalytic function of cleaving off pyrophosphates during mRNA synthesis is responsible for recognizing the termination sequence TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following enzyme is used for synthesis of RNA under the direction of DNA? DNA ligase RNA polymerase RNA ligase DNA polymerase TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is a product of transcription? all of these tRNA rRNA mRNA 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 activation corepression desiccation attenuation TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following statement defines a replicon? A DNA molecule that encodes pili for conjugation A DNA template which is used in transcription The enzyme responsible for transposition A DNA molecule that is able to replicate and be maintained TRUE ANSWER : ? YOUR ANSWER : ?
An mRNA transcript of a gene contains all of these a stop codon a start codon a terminator TRUE ANSWER : ? YOUR ANSWER : ?
Recognition/binding site of RNA polymerase is called promoter facilitator receptor terminator TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following proteins first binds to TATA box during transcription? TF II A TF II D TF II B RNA polymerase TRUE ANSWER : ? YOUR ANSWER : ?
Which eukaryotic RNA polymerase makes tRNA's? RNA polymerase 3 Any of these RNA polymerase 1 RNA polymerase 2 TRUE ANSWER : ? YOUR ANSWER : ?
Which of these catalyzes the synthesis of RNA from a DNA template? DNA polymerase RNA polymerase DNA ligase DNA gyrase TRUE ANSWER : ? YOUR ANSWER : ?