In eukaryotic transcription what is the function of a chromatin remodeling complex? Chromatin remodeling complexes form...
In eukaryotic transcription what is the function of a chromatin remodeling complex?
| Chromatin remodeling complexes form nucleosome structures at protein-coding regions to lock genes from transcription when they are inactive. |
| Chromatin remodeling complexes clear nucleosomes away from enhancer regions, so that transcription goes at full rate. |
| Chromatin remodeling complexes reform DNA structure after transcription is complete to keep it stable . |
| Chromatin remodeling complexes clear nucleosomes away from promoter regions, so that transcription initiation complexes can form and function. |
Homework Answers
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In eukaryotic transcription what is the function of a chromatin
remodeling complex?
Chromatin remodeling complexes form...
QUESTION 4 Chromatin structure creates a challenge for eukaryotic transcription because (choose all that apply;: □Eukaryotic...
QUESTION 4 Chromatin structure creates a challenge for eukaryotic transcription because (choose all that apply;: □Eukaryotic polymerases are about 2x larger than the nucleosome itself. DNA must be unwound during transcription. There are many ionic bonds between histones and DNA in a nucleosome, making it energetically expensive to remove histones Protein complexes like FACT act to stabilize nucleosomes, making them harder to displace.
The extent of condensation of chromatin plays an important role in the regulation of RNA transcription...
The extent of condensation of chromatin plays an important role in the regulation of RNA transcription in eukaryotic cells. Chromatin-remodeling complexes are among proteins that control the physical state and functional activity of chromatin. The experiment described shortly was designed to study the role of a chromatin remodeling complex designated RSC (Remodeling the Structure of Chromatin) in the regulation of nucleosome dynamics. Figure 1 shows the results of an in vitro experiment. The reaction mixtures contained a 32-labelled 154 basepair...
The following sentences describe chromatin structure and how altering chromatin structure can affect gene expression. Complete...
The following sentences describe chromatin structure and how altering chromatin structure can affect gene expression. Complete each sentence using the words provided.In some cells, DNA combines with proteins to form a substance calledThe lowest level of chromatin structure consists of DNA wrapped twice around a group of histones to form a(n)The formation of nucleosomes may block the binding of transcription factors and RNA polymerase II to theThe structure of chromatin can be modified by altering either the DNA or the...
Which of the following is NOT a function of transcription that requires the activity from subunits...
Which of the following is NOT a function of transcription that requires the activity from subunits of the Core RNA Palymerase? a. RNA polymerase activity that base-pairs and polymerizes nucleotides to make mRNA. b. Helicase activity that unwinds the double-stranded DNA molecule for transcription c. Specific recognition of -35 box and -10 box sites in the promoter region. d. General binding that helps RNA polymerase loosely adhere to DNA, before Transcription begins. Oe. Trick Question. The Core RNA polymerase can...
thank you!! Question 1 0.5 pts It has been shown that inhibition of a key chromatin...
thank you!!
Question 1 0.5 pts It has been shown that inhibition of a key chromatin remodeling complex known as NURD. by deleting one of its subunits, can result in a significant increase in the efficiency of reprogramming of somatic cells into pluripotent stem cells. The reprogramming is normally done by the induced expression of a battery of transcription factors in the somatic cells, but is typically not very efficient. Such an observation suggests that the NURD complex is normally...
i need help with 10 and 11 please The extent of condensation of chromatin plays an...
i need help with 10 and 11 please
The extent of condensation of chromatin plays an important role in the regulation of RNA transcription in eukaryotic cells. Chromatin-remodeling complexes are among proteins that control the physical state and functional activity of chromatin. The experiment described shortly was designed to study the role of a chromatin remodeling complex designated RSC (Remodeling the Structure of Chromatin) in the regulation of nucleosome dynamics. Figure 1 shows the results of an in vitro experiment....
Abstract #1 Histone H3 phosphorylation near the nucleosome dyad alters chromatin structure. Nucleosomes contain ∼146 bp...
Abstract #1 Histone H3 phosphorylation near the nucleosome dyad alters chromatin structure. Nucleosomes contain ∼146 bp of DNA wrapped around a histone protein octamer that controls DNA accessibility to transcription and repair complexes. Posttranslational modification (PTM) of histone proteins regulates nucleosome function. To date, only modest changes in nucleosome structure have been directly attributed to histone PTMs. Histone residue H3(T118) is located near the nucleosome dyad and can be phosphorylated. This PTM destabilizes nucleosomes and is implicated in the regulation...
A) An Operon is:? 1- A gene that affect another gene transcription. 2. A gene coding...
A) An Operon is:? 1- A gene that affect another gene transcription. 2. A gene coding for a metabolic pathway. 3. A protein that blockgene expression. 4. A set of genes under the control of one promoter. B )- In bacteria the Lac Operon genes code for proteins that break down.? 1- Arabinose 2- Lactose 3- Galactose 4- Glucose C )mRNA processing involves removal of .......? 1- Introns 2- The poly-A tail 3- The 5' cap 4- Exons D )...
The Law of independent assortment states that A diploid organism's three alleles for a gene separate...
The Law of independent assortment states that A diploid organism's three alleles for a gene separate from one another during gamete formation Segregation of an allelic pair for one trait has no effect on segregation of alleles for another trait. none of the answers listed An organism's two alleles for a gene separate from one another during gamete formation. Segregation of an allelic pair for one trait has a great effect on segregation of alleles for another trait Nucleosomes that...
EXAMPLE: ANSWER 12 :- From the above mentioned data, the significance of ATP molecule in the...
EXAMPLE:
ANSWER 12 :-
From the above mentioned data, the significance of ATP
molecule in the event progression is seen although taking into
consideration that the process is carried out in an in-vitro
manner, the possibility of transcription occuring decreases taking
into consideration the errors associated with the changes in
certain conditions associated with the experimental setup and hence
it becomes difficult to identify if there is actual phosphorylation
occuring of the nucleosomal histone proteins. This in other terms
cannot...
QUESTION 4 Chromatin structure creates a challenge for eukaryotic transcription because (choose all that apply;: □Eukaryotic polymerases are about 2x larger than the nucleosome itself. DNA must be unwound during transcription. There are many ionic bonds between histones and DNA in a nucleosome, making it energetically expensive to remove histones Protein complexes like FACT act to stabilize nucleosomes, making them harder to displace.
The extent of condensation of chromatin plays an important role in the regulation of RNA transcription in eukaryotic cells. Chromatin-remodeling complexes are among proteins that control the physical state and functional activity of chromatin. The experiment described shortly was designed to study the role of a chromatin remodeling complex designated RSC (Remodeling the Structure of Chromatin) in the regulation of nucleosome dynamics. Figure 1 shows the results of an in vitro experiment. The reaction mixtures contained a 32-labelled 154 basepair...
The following sentences describe chromatin structure and how altering chromatin structure can affect gene expression. Complete each sentence using the words provided.In some cells, DNA combines with proteins to form a substance calledThe lowest level of chromatin structure consists of DNA wrapped twice around a group of histones to form a(n)The formation of nucleosomes may block the binding of transcription factors and RNA polymerase II to theThe structure of chromatin can be modified by altering either the DNA or the...
Which of the following is NOT a function of transcription that requires the activity from subunits of the Core RNA Palymerase? a. RNA polymerase activity that base-pairs and polymerizes nucleotides to make mRNA. b. Helicase activity that unwinds the double-stranded DNA molecule for transcription c. Specific recognition of -35 box and -10 box sites in the promoter region. d. General binding that helps RNA polymerase loosely adhere to DNA, before Transcription begins. Oe. Trick Question. The Core RNA polymerase can...
thank you!!
Question 1 0.5 pts It has been shown that inhibition of a key chromatin remodeling complex known as NURD. by deleting one of its subunits, can result in a significant increase in the efficiency of reprogramming of somatic cells into pluripotent stem cells. The reprogramming is normally done by the induced expression of a battery of transcription factors in the somatic cells, but is typically not very efficient. Such an observation suggests that the NURD complex is normally...
i need help with 10 and 11 please
The extent of condensation of chromatin plays an important role in the regulation of RNA transcription in eukaryotic cells. Chromatin-remodeling complexes are among proteins that control the physical state and functional activity of chromatin. The experiment described shortly was designed to study the role of a chromatin remodeling complex designated RSC (Remodeling the Structure of Chromatin) in the regulation of nucleosome dynamics. Figure 1 shows the results of an in vitro experiment....
The Law of independent assortment states that A diploid organism's three alleles for a gene separate from one another during gamete formation Segregation of an allelic pair for one trait has no effect on segregation of alleles for another trait. none of the answers listed An organism's two alleles for a gene separate from one another during gamete formation. Segregation of an allelic pair for one trait has a great effect on segregation of alleles for another trait Nucleosomes that...
EXAMPLE:
ANSWER 12 :-
From the above mentioned data, the significance of ATP
molecule in the event progression is seen although taking into
consideration that the process is carried out in an in-vitro
manner, the possibility of transcription occuring decreases taking
into consideration the errors associated with the changes in
certain conditions associated with the experimental setup and hence
it becomes difficult to identify if there is actual phosphorylation
occuring of the nucleosomal histone proteins. This in other terms
cannot...
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