Important Questions g Transcription
① Types og Mammalian RNA
polymerases -
Am : 3
different DNA
dependent RNA
polymerases ( RNAP) -
cis RNAP
type II or B Main
enzyme synthesizing mRNAs .
gnhibited anilin
a
by Am
- -
his RNAP
type I or A Responsible for syn
.
g rRNA '
( iiis RNAP
type IT or c
Responsible for production g tRNA
② Transcription Process .
Am : gt in the
process of formation of RNA
from DNA .
Includes Initiation Termination
•
.
Elongation and
followed by Post -
Transcriptional processing .
( ai Initiation : . gn this ,
DNA helin
partially unwinds .
-
RNAP binds with promotor on DNA with help
of Sigma factors .
-
On
reaching appropriate site . first nucleotide
of mRNA attaches to initiation site g
p subunit g RNAP
.
'
-
This is 5 g mRNA '
This whole in the initiation og
process
-
transcription .
( Humans 105 initiation
available
-
sites are
① Types og Mammalian RNA
polymerases -
Am : 3
different DNA
dependent RNA
polymerases ( RNAP) -
cis RNAP
type II or B Main
enzyme synthesizing mRNAs .
gnhibited anilin
a
by Am
- -
his RNAP
type I or A Responsible for syn
.
g rRNA '
( iiis RNAP
type IT or c
Responsible for production g tRNA
② Transcription Process .
Am : gt in the
process of formation of RNA
from DNA .
Includes Initiation Termination
•
.
Elongation and
followed by Post -
Transcriptional processing .
( ai Initiation : . gn this ,
DNA helin
partially unwinds .
-
RNAP binds with promotor on DNA with help
of Sigma factors .
-
On
reaching appropriate site . first nucleotide
of mRNA attaches to initiation site g
p subunit g RNAP
.
'
-
This is 5 g mRNA '
This whole in the initiation og
process
-
transcription .
( Humans 105 initiation
available
-
sites are
