BIO 218 Chapter 11 exam 2024/2025 with 100% correct answers
0 view 0 purchase
Course
BIO 218 Chapter 11
Institution
BIO 218 Chapter 11
In eukaryotes, which type of RNA never leaves the nucleus?
a. rRNA
b. snRNA
c. mRNA
d. miRNA
e. tRNA correct answersb. snRNA
Which of the following statements is NOT true about the prokaryotic -10 conserved sequence?
a. It has a consensus sequence of TATAAT that runs 5' to 3' on the non-te...
In eukaryotes, which type of RNA never leaves the nucleus?
a. rRNA
b. snRNA
c. mRNA
d. miRNA
e. tRNA correct answersb. snRNA
Which of the following statements is NOT true about the prokaryotic -10 conserved sequence?
a. It has a consensus sequence of TATAAT that runs 5' to 3' on the non-template strand.
b. It is the site where the sigma factor binds during initiation.
c. It is a conserved promoter element in prokaryotes.
d. It is the site where, once RNA polymerase binds to the -35 sequnece, localized unwinding begins.
e. It is 10 base pairs downstream from the (+1) transcription start site. correct answersb. It is the site
where the sigma factor binds during initiation.
Maybe? e. It is 10 base pairs downstream from the (+1) transcription start site.
The RNA polymerase in the nucleus that catalyzes the synthesis of the transfer RNA molecules and small
nuclear RNAs.
a. RNA pol II
b. RNA pol III
c. RNA pol I
d. RNA pol α
e. RNA pol β correct answersb. RNA pol III
Which of the following is a step in Rho-dependent termination?
, a. The rho protein acts as an RNA-DNA helicase to unwind the RNA from the DNA causing termination.
b. RNA polymerase stalls at a hairpin while it is transcribing a G-rich sequence.
c. RNA polymerase stalls at a hairpin while it is transcribing a C-rich sequence.
d. The rho protein causes RNA polymerase to fall off the DNA once it catches up to the RNA polymerase.
e. RNA polymerase stalls at a hairpin while it is transcribing an A-rich sequence. correct answersd. The
rho protein causes RNA polymerase to fall off the DNA once it catches up to the RNA polymerase.
In prokaryotes, DNA is transcribed _______, and transcription and translation occur
_____________________.
a. 3'-5', simultaneously
b. 3'-5', sequentially
c. 5'-3', in the nucleus
d. 5'-3', sequentially
e. 5'-3', simultaneously correct answerse. 5'-3', simultaneously
What occurs when FACT "removes" nucleosomes from DNA during transcription?
a. It cuts the nucleosome in half, leaving a quad of histones.
b. It completely removes the histones and then replaces the whole octamer.
c. It removes H1 histone, leaving a seven-histone complex.
d. It removes a dimer of histones, leaving a hexasome.
e. It removes a hexasome and leaves a dimer. correct answersd. It removes a dimer of histones, leaving a
hexasome.
The TTGACA sequence in the E.coli promoter is the recognition site for which of the following factors?
a. Sigma factor
b. Termination endonucleases
c. RNA polymerase II
d. Rho protein
e. TFIIB correct answersa. Sigma factor
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 QUILLSKY. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.49. You're not tied to anything after your purchase.
