Question

The three main functional segments of a gene are:

The three main functional segments of a mRNA are:

The RNA coding region is delimited by:

The protein coding region is delimited by:

The promoter is recognized and bound by:

The Shine-Dalgarno sequence is recognized and bound by:

Answer 1

1) three main functional segments of gene are

--Promoter- place where RNA polymerase binds and start transcription

--ORF , part of gene having information to code protein

--Terminator , here transcription process terminate

2) part of mRNA are

5' cap

3' tail - both involve in stability of mRNA as well as in efficient translation

Coding sequence- its has information in form of codon which code for protein

3) RNA coding region is delimited by termination sequence prsent on DNA

4,).protein coding region I'd delimited by stop codon present on mRNA.

5) promoter is recognized by group of transcription factor . Which ultimately help loading of RNA polymerase on promoter.

6) shine dalgrano sequence is present on 5' end of prokaryotic mRNA . This is recognize by 3' tRNA sequence of small subunit of ribosome. Thus placing mRNA in such a way that initaion codon will present at Psite .