🏷️ LIMITED TIME OFFER: GET 20% OFF GRADE+ YEARLY SUBSCRIPTION →
Log in
Biology
5
answers
0
watching
217
views
18 Jul 2018

1. How is the structure of eukaryotic DNA and chromosomes related to how transcription occurs?(Hint: histones and winding is important)

2.Compare RNA polymerase in bacteria to the RNA polymerase in eukaryotic cells? What are the structural differences? How does this relate to how each works?

3.Compare and contrast the promoters found in prokaryotes and eukaryotes.

4.How is initiation started in eukaryotes?

5.What are transcription factors and what role do they play?

6.How are elongation and termination similar in eukaryotes & prokaryotes? How do they differ?

Watch
5
answers
0
watching
217
views

For unlimited access to Homework Help, a Homework+ subscription is required.

Unlock all answers

Get 1 free homework help answer.
Already have an account? Log in
Share
Already have an account? Log in
Share
Already have an account? Log in
Share
Already have an account? Log in
Share
Bunny Greenfelder
Bunny GreenfelderLv2
20 Jul 2018
Already have an account? Log in
Share

Related textbook solutions

Molecular Cell Biology
8 Edition,
Lodish
ISBN: 9781464183393
Biology: Science for Life with Physiology
6 Edition,
Belk
ISBN: 9780134555430
Biology
2nd Edition, 2013
Openstax
ISBN: 9781947172517
Concepts of Biology
OER Edition,
Openstax
ISBN: 9781938168116
Essentials of Biology
5 Edition,
Mader
ISBN: 9781259660269

Related questions

1. What are the three processes in post-transcriptional processes that must be completed before transcripts can be translated in eukaryotes?
A. Binding of snRNPs, addition of a poly A tail, splicing of introns
B. Binding of snRNPs, transporting, synthesizing of ribose
C. Capping, transporting, synthesizing of ribose
D. Binding of snRNPs, capping, splicing
E. Capping, splicing, addition of a poly A tail
2. Which of the following key differences between prokaryotic and eukaryotic transcription are TRUE? Check all that apply.
A. prokaryotic transcription occurs in the cytoplasm, while eukaryotic transcription occurs in the nucleus
B. eukaryotic transcription is carried out by 1 RNA polymerase, while prokaryotic transcription is carried out by 3 different RNA polymerases
C. eukaryotic transcripts are processed, while prokaryotic transcripts are translated while transcription is still occurring
D. prokaryotes have sigma factors for specificity of binding whereas eukaryotes have multiple general transcription factors

E. prokaryotes have to worry about unpackaging the DNA for transcription, while eukaryotes have almost naked DNA not bound up by nucleosome

Molecular Biology Help!

Histone chaperones play a role in replication by:

Histone chaperones play a role in replication by:

preventing specific interactions between the positively charged histones and negatively charged DNA.
preventing nonspecific interactions between the positively charged histones and negatively charged DNA.
facilitating specific interactions between the positively charged histones and negatively charged DNA.
facilitating nonspecific interactions between the positively charged histones and negatively charged DNA.
none of the above.

Histone chaperones play a role in replication by:

Histone chaperones play a role in replication by:

preventing specific interactions between the positively charged histones and negatively charged DNA.
preventing nonspecific interactions between the positively charged histones and negatively charged DNA.
facilitating specific interactions between the positively charged histones and negatively charged DNA.
facilitating nonspecific interactions between the positively charged histones and negatively charged DNA.
none of the above.

Histone chaperones play a role in replication by:

Histone chaperones play a role in replication by:

preventing specific interactions between the positively charged histones and negatively charged DNA.
preventing nonspecific interactions between the positively charged histones and negatively charged DNA.
facilitating specific interactions between the positively charged histones and negatively charged DNA.
facilitating nonspecific interactions between the positively charged histones and negatively charged DNA.
none of the above.

Histone chaperones play a role in replication by:

Histone chaperones play a role in replication by:

preventing specific interactions between the positively charged histones and negatively charged DNA.
preventing nonspecific interactions between the positively charged histones and negatively charged DNA.
facilitating specific interactions between the positively charged histones and negatively charged DNA.
facilitating nonspecific interactions between the positively charged histones and negatively charged DNA.
none of the above.

Histone chaperones play a role in replication by:

Histone chaperones play a role in replication by:

preventing specific interactions between the positively charged histones and negatively charged DNA.
preventing nonspecific interactions between the positively charged histones and negatively charged DNA.
facilitating specific interactions between the positively charged histones and negatively charged DNA.
facilitating nonspecific interactions between the positively charged histones and negatively charged DNA.
none of the above.

________________ may play a role in aging and cancer.

________________ may play a role in aging and cancer.

telomerase
telomerase RNA
DNA polymerase III
restriction enzymes

none of the above

Telomeres consist of :

Telomeres consist of :

long random sequences at the ends of the linear chromosomes
short random sequences at the ends of the linear chromosomes
long TG-rich repeats at the ends of the linear chromosomes
long AT-rich repeats at the ends of the linear chromosomes

long AC-rich repeats at the ends of the linear chromosomes

Telomerase is a _____________________.

Telomerase is a _____________________.

restriction enzyme
protease
reverse transcriptase
exonuclease

none of the above

Replication of the eukaryotic nuclear genome requires which of the following?

Replication of the eukaryotic nuclear genome requires which of the following?

DNA polymerase α
DNA polymerase γ
DNA polymerase δ
DNA polymerase ε
all but one of the above

Which of the following is the eukaryotic DNA replication initiator?

Which of the following is the eukaryotic DNA replication initiator?

DnaA
replication protein A
replication protein C
ORC
MCM

The yeast ARS element has which of the following functions and properties:

The yeast ARS element has which of the following functions and properties:

they are AT-rich and serve as replication termination sites
they are GC-rich and serve as replication termination sites
they have random sequence and serve as replication termination sites
they are AT-rich and serve as replication initiation sites
they are GC-rich and serve as replication initiation sites

Replication factor C plays which of the following roles in eukaryotic DNA replication?

Replication factor C plays which of the following roles in eukaryotic DNA replication?

it is the sliding clamp
it is the clamp loader
it is the DNA ligase
it is a single-stranded DNA binding protein

it is a cofactor required for activating the DNA polymerase

Which of the following is the replicative DNA polymerase for both the leading and lagging strands of SV40?

Which of the following is the replicative DNA polymerase for both the leading and lagging strands of SV40?

DNA polymerase α
DNA polymerase β
DNA polymerase γ
DNA polymerase δ

DNA polymerase ε

SV40 T antigen recruits which of the following to the proto-replication bubble?

SV40 T antigen recruits which of the following to the proto-replication bubble?

DNA polymerase α
DNA polymerase β
DNA polymerase γ
DNA polymerase δ

DNA polymerase ε

The SV40 large tumor (T) antigen has which of the following functions:

The SV40 large tumor (T) antigen has which of the following functions:

helicase activity only
DNA primase and DNA helicase activity
origin binding and DNA primase activity
origin binding and DNA helicase activity
origin binding and DNA helicase activity

20. Compare and contrast the events that must take place to form the open complex in prokaryotes and eukaryotes.

21. Describe in detail the function of a “promoter” in transcription. Where is its location? Explain how the factor recognizes promoters.

22. Describe the 2 mechanisms of termination of transcription in E. coli.

23. What is the function of histone acetyltransferases and histone deacetylases? Explain what the result would be if an organism could not produce functional histone deacetylases.

24. What is the function of the 5’ Cap and poly A tail in eukaryotic Pre-RNA’s?

25. What is alternative splicing? How can it be advantageous to an organism? Be sure to include in your discussion exons and introns.

26. How does an amino acid become attached to a tRNA molecule? What mechanism ensures amino acids get attached to the correct tRNA

27. What is meant by the phrase “the genetic code is termed degenerate”? What is the “wobble base” and why is it called this?

28. One of the fundamental tenets of translation is that codons are read in triplets. Discuss the experiment that proved the genetic code is read in triplets.

29. Describe the structure of ribosomes and how they are assembled.

30. Describe the stages of Translation-Initiation, Elongation and Termination.

Related Documents

BIO230H1 Lecture Notes - Lecture 5: Purine Metabolism, Riboswitch, Tata Box
bluepig214
BIO230H1 Lecture Notes - Lecture 4: Purine Metabolism, Riboswitch, Purine
ultramarinegoose818
BIO206H5 Lecture Notes - Lecture 9: Rna Polymerase Ii, Rna Polymerase Iii, Rna Polymerase I
crimsonsnake651

Weekly leaderboard

Home
Homework Help 3,900,000
Biology 460,000
Start filling in the gaps now
Log in