Which molecule is responsible for creating an open chromatin conformation? A. activator B.DNA translocase C. insulator...
Homework Answers
DNA translocase
This is the molecule which helps in the chromatin remodeling which helps in opening the chromatin structure. The enzyme help with replication, repair as well as the recombination of the DNA and it helps in hydrolyzing the ATP to create an open structure. they help in disrupting the DNA histone interaction and hence help with the chromatin opening.
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Which molecule is responsible for creating an open chromatin
conformation?
A. activator
B.DNA translocase
C. insulator...
Which of the following statements about eukaryotic activator proteins is false? Choose one: A. They stimulate...
Which of the following statements about eukaryotic activator proteins is false? Choose one: A. They stimulate transcriptional initiation by opening up the double helix. * B. They stimulate transcription initiation by recruiting proteins that modify chromatin structure. C. They stimulate transcription initiation by aiding in the assembly of general transcription factors and RNA polymerase at the promoter. D. They stimulate transcription initiation by promoting the assembly of a transcription initiation complex at the promoter.
a. What is the difference between DNA and chromatin? Name one type of molecule that distinguishes...
a. What is the difference between DNA and chromatin? Name one type of molecule that distinguishes these two forms of genetic information. b. What is a nucleosome, and what role does it play in cells? c. Why does DNA need to be compacted inside cells? d. Are any proteins used to keep DNA compacted other than proteins already present in chromatin?
can you guys please give me the correct answers and explain why? 30. Which of the...
can you guys please give me the correct answers and explain
why?
30. Which of the following statements reg wing statements regarding the Alpha subunit of RNA polymerase is INCORRECT? A. Can bind an UP element B. Can interact with positive activator proteins C. Binds to the Beta and Beta' subunits D. Has distinct N-terminal and C-terminal domains E. Has 3' to 5' exonuclease activity 31. Which of the following statements regarding the mediator complex is arding the mediator complex...
3. It is uncommon for one molecule to act as both an activator and inhibitor in...
3. It is uncommon for one molecule to act as both an activator and inhibitor in metabolism. Which of the following molecules both activates glycolysis and inhibits gluconeogenesis? A. NAD B. Fructose 1,6-bisphosphate C. Pyruvate D. Fructose 2,6-bisphosphate E. Glucose 6-phosphate 4. Regulation of phosphorylase is by phosphorylation. However, this covalent modification increases or decreases activity without completely inhibiting it. The velocity plot is sigmoidal. What statement can be made about this enzyme? A. It likely follows a Michaelis-Menten kinetic....
molecular biology 16. Histone acetyltransferases would be directly involved in which of the following? A. Formation of open chromatin B. Movement of the nucleosome C. Acetylation of lysines D. Termin...
molecular biology
16. Histone acetyltransferases would be directly involved in which of the following? A. Formation of open chromatin B. Movement of the nucleosome C. Acetylation of lysines D. Termination of gene expression E. All of the above are true. 17. What functions are accomplished by the primosome? A. Tracking along DNA B. Tracking along DNA, separating double-stranded DNA C. Tracking along DNA, separating double-stranded DNA, synthesizing RNA primers D. Tracking along DNA, separating double-stranded DNA, synthesizing RNA primers, adding...
Which of the following statements about chromatin remodeling is incorrect? Select one: O a. Chromatin remodeling...
Which of the following statements about chromatin remodeling is incorrect? Select one: O a. Chromatin remodeling provides the transcription machinery with dynamic access to an otherwise tightly packaged genome. O b. Chromatin remodeling often involves histone modifications (e.g., methylation). O c. Eukaryotes use chromatin remodeling as a mechanism for epigenetic modifications. O d. Prokaryotes use chromatin remodeling to regulate operon activity. O e. Chromatin remodeling plays a central role in the regulation of gene expression.
Draw the Newman projection in staggered conformation for isoleucine by viewing the molecule along the C?2??C?3...
Draw the Newman projection in staggered
conformation for isoleucine by viewing the molecule along the
C?2??C?3 bond.
The perspective formula of isoleucine, an amino acid, is provided below. Draw the Newman projection in staggered conformation for isoleucine by viewing the molecule along the C-2-C-3 bond. Edit the Newman projection on the canvas. Replace the appropriate hydrogens with the appropriate -CH_3 or other groups. If you need to start over, Undo or choose a Newman projection from the Templates toolbar (bottom)....
For the following boxed molecule below, choose its least stable chair conformation that exactly represents its...
For the following boxed molecule below, choose its least stable chair conformation that exactly represents its 2 D? Select one: a. B b. D c. c d. A
Which Newman projection correctly identifies the HIGHEST energy conformation of the below molecule? Br. CH3 H9C5...
Which Newman projection correctly identifies the HIGHEST energy conformation of the below molecule? Br. CH3 H9C5 Br HX H3C H3CBr -H HXH H9C5 CH3C Br -CsH9 H
Which Newman projection correctly identifies the HIGHEST energy conformation of the below molecule? Br CH3 •...
Which Newman projection correctly identifies the HIGHEST energy conformation of the below molecule? Br CH3 • H9C5 Br -Н НХ Х H3C H3CBr НА H9C5 o H3C Br -С5Нэ Н Н H9CsBr -СН3 HTS
Which of the following statements about eukaryotic activator proteins is false? Choose one: A. They stimulate transcriptional initiation by opening up the double helix. * B. They stimulate transcription initiation by recruiting proteins that modify chromatin structure. C. They stimulate transcription initiation by aiding in the assembly of general transcription factors and RNA polymerase at the promoter. D. They stimulate transcription initiation by promoting the assembly of a transcription initiation complex at the promoter.
can you guys please give me the correct answers and explain
why?
30. Which of the following statements reg wing statements regarding the Alpha subunit of RNA polymerase is INCORRECT? A. Can bind an UP element B. Can interact with positive activator proteins C. Binds to the Beta and Beta' subunits D. Has distinct N-terminal and C-terminal domains E. Has 3' to 5' exonuclease activity 31. Which of the following statements regarding the mediator complex is arding the mediator complex...
3. It is uncommon for one molecule to act as both an activator and inhibitor in metabolism. Which of the following molecules both activates glycolysis and inhibits gluconeogenesis? A. NAD B. Fructose 1,6-bisphosphate C. Pyruvate D. Fructose 2,6-bisphosphate E. Glucose 6-phosphate 4. Regulation of phosphorylase is by phosphorylation. However, this covalent modification increases or decreases activity without completely inhibiting it. The velocity plot is sigmoidal. What statement can be made about this enzyme? A. It likely follows a Michaelis-Menten kinetic....
molecular biology
16. Histone acetyltransferases would be directly involved in which of the following? A. Formation of open chromatin B. Movement of the nucleosome C. Acetylation of lysines D. Termination of gene expression E. All of the above are true. 17. What functions are accomplished by the primosome? A. Tracking along DNA B. Tracking along DNA, separating double-stranded DNA C. Tracking along DNA, separating double-stranded DNA, synthesizing RNA primers D. Tracking along DNA, separating double-stranded DNA, synthesizing RNA primers, adding...
Which of the following statements about chromatin remodeling is incorrect? Select one: O a. Chromatin remodeling provides the transcription machinery with dynamic access to an otherwise tightly packaged genome. O b. Chromatin remodeling often involves histone modifications (e.g., methylation). O c. Eukaryotes use chromatin remodeling as a mechanism for epigenetic modifications. O d. Prokaryotes use chromatin remodeling to regulate operon activity. O e. Chromatin remodeling plays a central role in the regulation of gene expression.
Draw the Newman projection in staggered
conformation for isoleucine by viewing the molecule along the
C?2??C?3 bond.
The perspective formula of isoleucine, an amino acid, is provided below. Draw the Newman projection in staggered conformation for isoleucine by viewing the molecule along the C-2-C-3 bond. Edit the Newman projection on the canvas. Replace the appropriate hydrogens with the appropriate -CH_3 or other groups. If you need to start over, Undo or choose a Newman projection from the Templates toolbar (bottom)....
For the following boxed molecule below, choose its least stable chair conformation that exactly represents its 2 D? Select one: a. B b. D c. c d. A
Which Newman projection correctly identifies the HIGHEST energy conformation of the below molecule? Br. CH3 H9C5 Br HX H3C H3CBr -H HXH H9C5 CH3C Br -CsH9 H
Which Newman projection correctly identifies the HIGHEST energy conformation of the below molecule? Br CH3 • H9C5 Br -Н НХ Х H3C H3CBr НА H9C5 o H3C Br -С5Нэ Н Н H9CsBr -СН3 HTS
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