Which of the following is NOT a component of a eukaryotic chromosome? Nucleosomes Histones Succinate Dehydrogenase...
Which of the following is NOT a component of a eukaryotic chromosome?
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Nucleosomes |
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|
Histones |
||
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Succinate Dehydrogenase |
||
|
DNA |
Homework Answers
Succinate dehydrogenase.
Explanation- This is an enzyme which is used in Citric acid cycle. Eukaryotic chromosomes contain DNA which is tightly packed by histone proteins to form a structure called nucleosome.
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Which of the following is NOT a component of a eukaryotic
chromosome?
Nucleosomes
Histones
Succinate Dehydrogenase...
the drosophila chromosome #3 is 27.9 million base pairs long. 1. how many nucleosomes and histones...
the drosophila chromosome #3 is 27.9 million base pairs long. 1. how many nucleosomes and histones would be present on one of these chromosomes at the mitotic metaphase plate? 2. if this chromosome is 30% G/C, how many hydrogen bonds and phosphodiester linkages would a single chromosome have before the S phase? 3. how many of these G0 chromosomes would you need to stretch end to end to equal one kilometer?
Which of the following is not true regarding regulation of gene expression in eukaryotes? In eukaryotic...
Which of the following is not true regarding regulation of gene expression in eukaryotes? In eukaryotic cells, transcriptional activators often work by recruiting the transcriptional macinery to gene promoters DNA methylation is an example of an epigenetic mark that can be inherited Acetylation of histones can result in a more open chromatin structure to allow transcription to occur Different genes can be turned off or on between different organs or stages of development Transcription factor DNA sequences are bound by...
Succinate Dehydrogenase is an enzyme used to produce an intermediate product, fumerate, during the Krebs Cycle....
Succinate Dehydrogenase is an enzyme used to produce an
intermediate product, fumerate, during the Krebs Cycle. The gene
(DNA) that encodes succinate dehydrogenase is found on a chromosome
in the nucleus. Fully describe the production, targeting/delivery
and activity of succinate dehydrogenase by a cell. Give as many
molecular details as you can. Be sure to include:
1. Where the gene is transcribed.
2. how the mRNA moves to the area where it will be
translated,
3. how and where where...
During eukaryotic supercoling DNA is first packaged into nucleosomes, which next packaged into a 250 nm...
During eukaryotic supercoling DNA is first packaged into nucleosomes, which next packaged into a 250 nm fiber 700 nm fiber 30 nm fiber sister chromatid
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.
In order to fit inside the nucleus of a cell eukaryotic DNA needs to be compacted...
In order to fit inside the nucleus of a cell eukaryotic DNA needs to be compacted sinificantly (A) Discuss the role of histones in the compaction of eukaryotic DNA. Make sure you first define what histones are before describing how they aid in compaction. Also discuss how the enzyme Nase I was used to determine the structure of nucleosomes (B) What are radial loops, and how do they further aid in DNA Compaction! Be sure to state how the loops...
Which statement is true with respect to eukaryotic chromatin? A> histone post-translational modifications are lost b>None...
Which statement is true with respect to eukaryotic chromatin? A> histone post-translational modifications are lost b>None of the the other selections are true statements c> Euchromatin represents regions with hypoacetylation of histones that leads to densely packed nucleosomes and promotes transcription D> Euchromatin represents regions with hyperacetylation of histones that leads to loosely packed nucleosomes and promotes transcription
11. Which enzyme is NOT part of the TCA cycle? A. Citrate synthase B. Succinate dehydrogenase...
11. Which enzyme is NOT part of the TCA cycle? A. Citrate synthase B. Succinate dehydrogenase C. alpha-ketoglutarate dehydrogenase D. Aconitase E. Pyruvate dehydrogenase
Malonate is a competitive inhibitor of succinate dehydrogenase. If malonate is added to a preparation that...
Malonate is a competitive inhibitor of succinate dehydrogenase. If malonate is added to a preparation that contains all the enzymes necessary to oxidize pyruvate as a substrate, which of the following compounds would you expect to decrease in concentration? O Suecinylco Pyruvate Citrate Succinate Fumarate
3. Which of the following is not a good example of a housekeeping protein in eukaryotic...
3. Which of the following is not a good example of a housekeeping protein in eukaryotic cells? a)DNA polymerase b)histones c)RNA polymerase 4)hemoglobin Explanation: 4. Which of the following statements about histones is true? a. Histones activate transcription when bound to the promoter, b. Although RNA polymerase can access DNA packed around histones, the general transcription factors and transcriptional regulators cannot. c. Histone acetyltransferases affect transcription by adding acetyl groups to histones and altering chromatin structure to allow accessibility to...
Succinate Dehydrogenase is an enzyme used to produce an
intermediate product, fumerate, during the Krebs Cycle. The gene
(DNA) that encodes succinate dehydrogenase is found on a chromosome
in the nucleus. Fully describe the production, targeting/delivery
and activity of succinate dehydrogenase by a cell. Give as many
molecular details as you can. Be sure to include:
1. Where the gene is transcribed.
2. how the mRNA moves to the area where it will be
translated,
3. how and where where...
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.
In order to fit inside the nucleus of a cell eukaryotic DNA needs to be compacted sinificantly (A) Discuss the role of histones in the compaction of eukaryotic DNA. Make sure you first define what histones are before describing how they aid in compaction. Also discuss how the enzyme Nase I was used to determine the structure of nucleosomes (B) What are radial loops, and how do they further aid in DNA Compaction! Be sure to state how the loops...
Malonate is a competitive inhibitor of succinate dehydrogenase. If malonate is added to a preparation that contains all the enzymes necessary to oxidize pyruvate as a substrate, which of the following compounds would you expect to decrease in concentration? O Suecinylco Pyruvate Citrate Succinate Fumarate
3. Which of the following is not a good example of a housekeeping protein in eukaryotic cells? a)DNA polymerase b)histones c)RNA polymerase 4)hemoglobin Explanation: 4. Which of the following statements about histones is true? a. Histones activate transcription when bound to the promoter, b. Although RNA polymerase can access DNA packed around histones, the general transcription factors and transcriptional regulators cannot. c. Histone acetyltransferases affect transcription by adding acetyl groups to histones and altering chromatin structure to allow accessibility to...
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