Transcription
Which of the following enzyme is used for synthesis of RNA under the direction of DNA?

RNA polymerase
DNA polymerase
RNA ligase
DNA ligase

ANSWER DOWNLOAD EXAMIANS APP

Transcription
The location of first hexameric sequence typically found in pro-karyotic promoters is

at the transcription start site
approximately 10 bases upstream of the transcription start site
approximately 35 bases upstream of the transcription start site
approximately 25 bases upstream of the transcription start site

ANSWER DOWNLOAD EXAMIANS APP

Transcription
The sigma factor

provides the catalytic function of cleaving off pyrophosphates during mRNA synthesis
accomplishes DNA restriction
recognizes the promotor
is responsible for recognizing the termination sequence

ANSWER DOWNLOAD EXAMIANS APP