transcription

Question 1

what is transcription?

Answer 1

makes mRNA from the genetic code

Question 2

what attracts rna polymerase

Answer 2

promotor sequence

Question 3

what is a promoter structure made of?

Answer 3

-10 (prinbow box) and -35 bases before trc start site

Question 4

what catalyzes transcription?

Answer 4

RNA polymerase

Question 5

composition of rna polymerase

Answer 5

multi subunits: b’, b, 2a, omega and sigma

Question 6

steps of transcription

Answer 6

initiation, elongation, termination

Question 7

what does the sigma factor of the RNA polymerase do?

Answer 7

scan for promotor sites on DNA

Question 8

what is a closed promotor complex?

Answer 8

initial binding between promotor site and polymerase when DNA is not unwound

Question 9

what are transcription factors?

Answer 9

mediate the binding of RNA polymerase forming a transcription initiation complex

Question 10

how long is the unwound region during elongation

Answer 10

17 base pairs

Question 11

can RNA polymerase proofread?

Answer 11

yes

Question 12

types of translation termination

Answer 12

rho dependent and rho independent