Transcription, Translation, and Bioinformatics Chapter 8 Review Questions with Verified Answers Latest Update (Graded A+)
3 views 0 purchase
Course
Transcription, Translation, and Bioinformatics
Institution
Transcription, Translation, And Bioinformatics
Transcription, Translation, and Bioinformatics Chapter 8 Review Questions with Verified Answers Latest Update (Graded A+)
____________ RNA polymerase plus sigma factor together are called _______________.
a) transcription; translation
b) holoenzyme; core
c) translation; transcription
d) core...
Transcription, Translation, and Bioinformatics Chapter 8 Review Questions with Verified Answers
Latest Update (Graded A+)
____________ RNA polymerase plus sigma factor together are called _______________.
a) transcription; translation
b) holoenzyme; core
c) translation; transcription
d) core; holoenzyme
e) ribosome; rRNA - Answers d) core; holoenzyme
Without ____________, the core RNA polymerase binds and releases DNA at random.
a) initiation factor
b) Shine-Dalgarno sequence
c) sigma factor
d) peptidyltransferase
e) release factor - Answers c) sigma factor
The RpoH sigma-70 factor of E. coli recognizes promoters for:
a) stress response genes
b) motility and chemotaxis genes
c) 'housekeeping' genes
d) heat shock-induced genes
e) genes for nitrogen metabolism - Answers c) 'housekeeping' genes
Which of the following is NOT part of initiation of transcription?
a) -10 and -35 sequences
, b) binding of RNA polymerase to the beginning of the gene
c) melting of the helix
d) binding of sigma factor to promoter followed by binding of core RNA polymerase
e) base pairing of the first nucleotide of the RNA - Answers d) binding of sigma factor to promoter
followed by binding of core RNA polymerase
An enzyme complex called RNA polymerase is also known as DNA-dependent RNA polymerase because:
a) DNA codes for the subunits of the protein
b) DNA serves as a template for translation
c) hydrolysis of DNA provides the energy for RNA polymerase
d) DNA serves as a template for transcription
e) DNA is required as a primer for this polymerase - Answers d) DNA serves as a template for
transcription
A consensus sequence consists of:
a) region to which sigma factors can bind
b) most likely base (or bases) at each position
c) hairpins in RNA to slow down or stop transcription
d) sequences to which ribosomes bind
e) primer sequences used to initiate transcription - Answers b) most likely base (or bases) at each
position
Molecules of sRNA do not encode proteins, but are used to ___________ the translation of specific
mRNAs into proteins.
a) start
b) regulate
c) stop
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller TutorJosh. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $7.99. You're not tied to anything after your purchase.
