Any help with my bio question would be apprecaited! 
Homework Answers
2. Increased polyadenylation is the post transcription process which adds the adenine at 3' end of mRNA.it helps in prevention from degradation.
3. Decreased in histone acetylation in promoter leads to decrease in gene expression through process of transcription
4. Removal of 5' CAP will create the impact on molecular process of elongation during translation. It will decrease the elongation
5. Deletion of TATA box will leads to lower the gene expression beacuse transcription initiation factor will not able to bind.
6. Inhibition of siRNA synthesis will increase the tanslation process and gene expression will be increased.
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Any help with my bio question would be apprecaited!
For each of the following, describe whether:...
need to help w questions In eukaryotes, the addition of a 5' cap and 3' polyadenylation......
need to help w questions
In eukaryotes, the addition of a 5' cap and 3' polyadenylation... refer to post-translational modifications occur in the cytoplasm refer to modifications of tRNA are regulated in part by the CTD of RNA polymerase II UD A. seunit Star Transcription activators can function at different steps, which of the following is not one of these steps? releasing RNA polymerase from pause recruiting RNA polymerase to the promoter region/ catalyzing addition of the 5 methyl cap...
3. Prokaryotic and eukaryotic gene expression compared. Below is an incomplete table of prokaryotic and eukaryotic...
3. Prokaryotic and eukaryotic gene expression compared. Below is an incomplete table of prokaryotic and eukaryotic gene expression in comparison. Fill in the blank using PPT slides, notes and the textbook. Prokaryotic gene expression Eukaryotic gene expression Overview Steps Transcription and translation Yes Transcription and translation coupled? Gene structure No introns Epigenetic modification (chromosome remodeling) transcription, translation, RNA processing, protein processing Transcription in the nucleus and translation in the cytoplasm Interrupted gene with exons and introns RNAPI, II, III Which...
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...
Help 45. A region of the chromosome 1000 base pairs upstream of the promoter for the...
Help
45. A region of the chromosome 1000 base pairs upstream of the promoter for the gene pbxH was deleted. This resulted in decreased expression of pbxH. This region is most likely a/an A. intron B. gene for a transcription factor C. gene for the RNA polymerase D. proximal control region E. enhancer 46. Methylation (actually, increased or hypermethylation) of the GSTP1 promoter is a common DNA alteration in certain cancers. Which of the following best characterizes this alteration? A....
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...
18. Which of the following statements correctly describe the role of transcription in the initiation of...
18. Which of the following statements correctly describe the role of transcription in the initiation of transcription in eukaryotes? A. Some transcription factors must bind to the promoter before RNA polymerası bind. B. Some transcription factors must bind to the promotor proximal element to en significant levels of mRNA production C. Some transcription factors can bind to enhancer elements thousands of base away from the gene D. Some transcription factors can bind to silencer elements that might be locate thousands...
Question 1 Match the term with the best definition or description; most topics relate to the...
Question 1 Match the term with the best definition or description; most topics relate to the regulation of gene expression. General type of protein which will increase transcription rates when it attaches to a site A. Factor connected to a particular gene - B. Co-repressor C. Enhancer D. Promoter E. Structural F. Intron G. Activator H. Operator I. Basal transcription J. Glucocorticoid receptor K. Sigma factor L. Mediator M. Inducer N. TATA box O. Repressor The rates of mRNA produced...
Question 8 (1 point) The primary RNA transcript of the chicken ovalbumin gene is 7700 nucleotides...
Question 8 (1 point) The primary RNA transcript of the chicken ovalbumin gene is 7700 nucleotides long, but the mature mRNA that is translated on the ribosome is 1872 nucleotides long. This size difference occurs primarily as a result of: O addition of the poly A tail O removal of exons O splicing O addition of the 5' cap Question 7 (1 point) Which of the following recognizes the promoter region of a gene in E. coli allowing RNA polymerase...
need to know if correct 44 F Nonsense-mediated mRNA decay refers to the degradation of introns...
need to know if correct
44 F Nonsense-mediated mRNA decay refers to the degradation of introns after splicing 45. Exon skipping and cryptic splice-site selection are two types of splicing errors. 46. Transcription activators can promote nucleosome remodeling by recruiting histone modifying enzymes. 47. RNA polymerase Il terminates transcription precisely at the AAUAAA 48. During protein translation, Kozak consensus sequences are required for termination 49. In regards to transcription, DNA tooping refers to the removal of DNA looped around histone...
Which of the following statements is true? A. RNA polymerase has a proofreading activity B. Prokaryotic...
Which of the following statements is true? A. RNA polymerase has a proofreading activity B. Prokaryotic RNA usually undergoes nuclear processing C. Polypeptides are synthesized by addition of amino acids to the amino terminus. D. The 3' end of mRNA corresponds to the carboxyl terminus of the protein. Grade 2. Which of the following A. It may be autocatalytic. B. Spliceosomes are present in organelles and nuclei C. It involves removal of exons is true regarding RNA processing? D. It...
need to help w questions
In eukaryotes, the addition of a 5' cap and 3' polyadenylation... refer to post-translational modifications occur in the cytoplasm refer to modifications of tRNA are regulated in part by the CTD of RNA polymerase II UD A. seunit Star Transcription activators can function at different steps, which of the following is not one of these steps? releasing RNA polymerase from pause recruiting RNA polymerase to the promoter region/ catalyzing addition of the 5 methyl cap...
3. Prokaryotic and eukaryotic gene expression compared. Below is an incomplete table of prokaryotic and eukaryotic gene expression in comparison. Fill in the blank using PPT slides, notes and the textbook. Prokaryotic gene expression Eukaryotic gene expression Overview Steps Transcription and translation Yes Transcription and translation coupled? Gene structure No introns Epigenetic modification (chromosome remodeling) transcription, translation, RNA processing, protein processing Transcription in the nucleus and translation in the cytoplasm Interrupted gene with exons and introns RNAPI, II, III Which...
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...
Help
45. A region of the chromosome 1000 base pairs upstream of the promoter for the gene pbxH was deleted. This resulted in decreased expression of pbxH. This region is most likely a/an A. intron B. gene for a transcription factor C. gene for the RNA polymerase D. proximal control region E. enhancer 46. Methylation (actually, increased or hypermethylation) of the GSTP1 promoter is a common DNA alteration in certain cancers. Which of the following best characterizes this alteration? A....
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...
18. Which of the following statements correctly describe the role of transcription in the initiation of transcription in eukaryotes? A. Some transcription factors must bind to the promoter before RNA polymerası bind. B. Some transcription factors must bind to the promotor proximal element to en significant levels of mRNA production C. Some transcription factors can bind to enhancer elements thousands of base away from the gene D. Some transcription factors can bind to silencer elements that might be locate thousands...
Question 1 Match the term with the best definition or description; most topics relate to the regulation of gene expression. General type of protein which will increase transcription rates when it attaches to a site A. Factor connected to a particular gene - B. Co-repressor C. Enhancer D. Promoter E. Structural F. Intron G. Activator H. Operator I. Basal transcription J. Glucocorticoid receptor K. Sigma factor L. Mediator M. Inducer N. TATA box O. Repressor The rates of mRNA produced...
Question 8 (1 point) The primary RNA transcript of the chicken ovalbumin gene is 7700 nucleotides long, but the mature mRNA that is translated on the ribosome is 1872 nucleotides long. This size difference occurs primarily as a result of: O addition of the poly A tail O removal of exons O splicing O addition of the 5' cap Question 7 (1 point) Which of the following recognizes the promoter region of a gene in E. coli allowing RNA polymerase...
need to know if correct
44 F Nonsense-mediated mRNA decay refers to the degradation of introns after splicing 45. Exon skipping and cryptic splice-site selection are two types of splicing errors. 46. Transcription activators can promote nucleosome remodeling by recruiting histone modifying enzymes. 47. RNA polymerase Il terminates transcription precisely at the AAUAAA 48. During protein translation, Kozak consensus sequences are required for termination 49. In regards to transcription, DNA tooping refers to the removal of DNA looped around histone...
Which of the following statements is true? A. RNA polymerase has a proofreading activity B. Prokaryotic RNA usually undergoes nuclear processing C. Polypeptides are synthesized by addition of amino acids to the amino terminus. D. The 3' end of mRNA corresponds to the carboxyl terminus of the protein. Grade 2. Which of the following A. It may be autocatalytic. B. Spliceosomes are present in organelles and nuclei C. It involves removal of exons is true regarding RNA processing? D. It...
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