A critical portion of the promoter of highly expressed, tissue-specific genes, like the ovalbumin gene, lies...
A critical portion of the promoter of highly expressed, tissue-specific genes, like the ovalbumin gene, lies between 24 and 32 bases upstream from the site at which transcription is initiated. This region often contains a consensus sequence that is either identical or very similar to the oligonucleotide _____and is known as the ______.
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Homework Answers
The answer is: 1) 5'-TATAAA-3', TATA box
A critical portion of the promoter of highly expressed, tissue-specific genes, like the ovalbumin gene, lies between 24 and 32 bases upstream from the site at which transcription is initiated. This region often contains a consensus sequence that is either identical or very similar to the oligonucleotide 5'-TATAAA-3' and is known as the TATA box.
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A critical portion of the promoter of highly expressed,
tissue-specific genes, like the ovalbumin gene, lies...
please help, thank you! The DNA sequence below represents an edited version of the PISTILLATA gene...
please help, thank you!
The DNA sequence below represents an edited version of the PISTILLATA gene from the model plant Arabidopsis thaliana. The sequence comes from the nontemplate (coding) strand. Use the sequence to answer all questions on this assignment. 9 5'-TTTCTCTCTCTATCTCATCAATGTTACTTTAAAACCAATTTACCTTAATAGGTAAGCTCCTCTTCTTG TTCTTCATATAAATCCACATATCCTCTCCTCCATATCTTAACAATTTCATAGCAAACCCTAAAATTGAGA AAGAGATAGAGAGAGAAAGATGGGTAGAGGAAAGATCGAGATAAAGAGGATAGAGAACGCAAACAA CAGAGTGGTGACGGTATCCTTGCTCTCTTTTTAATCTAAAGTTTCTTTGTCTCAAAAATATTCCATGGC CAAAATCATGTAATAAGTTTTCAATTTCTTTACCAAAAACATGTCAAAAGACCCTTGAATCTTTAACCCT AGATGCAGATAACAACAGGAGATGGGATGATGAGAGATCATGACTCGATTGATCATCGAGATTTTAT AATCTCATCCTGATCAACTCCTATCTATAATATCGTGGTCTTTAGTTTGTCTTTATCAATCTGTGTGTCT TAATCTCAATAAAATATACTCATTAAAATCAAAATCCATAAATACGGACATAAACACGACAGACTTACG -3 0 . What kind of gene features would you expect Arabidopsis thaliana to have, bacterial or eukaryotic? 2. The gene contains a sequence that is recognized by the AP1 transcription...
4. A promoter for an E. coli gene that is transcribed by a s-70 RNA polymerase...
4. A promoter for an E. coli gene that is transcribed by a s-70 RNA polymerase has the following sequence: 30 -20 10 +1 5'GGCTTTACACTTTATGCTTCCGGCTCGTATGTTGTGTGGA 3'CCGAAATGTGAAATACGAAGGCCGAGCATACAACACACCT The transcription start site +1) is identified. a. Identify the -10 and -35 sequences. How close are they to the consensus-10 and-35 sequences? b. What is the spacing between the -10 and the -35 sequences? How does this compare with the consensus spacing? C. The sequence of bases in a transcribed RNA is identical...
6. In the drawings below note and label all important elements (incl.consensus sequences) discussed in lectures...
6. In the drawings below note and label all important elements (incl.consensus sequences) discussed in lectures and tutorial manual and listed below. Prokaryotis operon promoter (-10 and -35 elements), operator, multiple structural renes (for example 3), start site of transcription, start sites of translations, transcription termination sequence Prokaryotic mRNA (polycistronie): transcription start site, multiple ribosome binding sites The Shine-Dalgamo sequence in Ecoli), multiple ORFs (including start and stop codons). transcription termination sequence Eukaryotic genes promoter (TATA box), consensus sequence CAAT,...
28 29 30 31 32 33 28. Genes found in segments of chromosome called heterochromatin would...
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28. Genes found in segments of chromosome called heterochromatin would likely be expressed at high levels. expressed at low levels, or not at all. deleted before replication. maternally inherited only. none of these 29. (Use this representation to answer the following question.) DNA template strand 5 3' DNA complementary strand 3' 5' Using the double-stranded molecule above, in which direction does the RNA polymerase enzyme move? 3' → 5' along the template strand 5'...
In female mice, both the glucocorticoid (cortisol) receptor and the estrogen receptor are expressed in liver...
In female mice, both the glucocorticoid (cortisol) receptor and the estrogen receptor are expressed in liver cells (hepatocytes). The control element to which the glucocorticoid receptor binds is a short-strip of DNA that can accommodate the binding of the glucocorticoid receptor dimer. This control element is called a glucocorticoid response element (GRE). It is located1000 bp downstream from the poly-A site for the PEPCK gene. When this gene is activated by cortisol, it helps the hepatocyte to release glucose into...
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...
6:35 5 minutes ago 25) Which of the following turns off transcription by binding to the operator? A) repressons B) lactose C) RNA polymerase D) promoters E) enzymes 25) 26) In bacteria, what n...
6:35 5 minutes ago 25) Which of the following turns off transcription by binding to the operator? A) repressons B) lactose C) RNA polymerase D) promoters E) enzymes 25) 26) In bacteria, what name is given to a cluster of genes with related functions, along with their control 26) A) exon B) operon C) promoter D) activator E) regulatory gene A mutant bacterial cell has a defective aminoacyl synthetase that attaches a lysine to tRNAs with the anticodon AAA instead...
Genetics Worksheet Week 3: Gene Regulation and Epigenetics 1. Duchenne muscular dystrophy is caused by a mutation in a gene that is 2.5 million nucleotides in length and encodes a protein called dyst...
Genetics Worksheet Week 3: Gene Regulation and Epigenetics 1. Duchenne muscular dystrophy is caused by a mutation in a gene that is 2.5 million nucleotides in length and encodes a protein called dystrophin. The dystrophin protein itself is 3684 amino acids in length. Calculate below the approximate size of the mRNA that encodes dystrophin. Approximately what percentage of the gene that encodes dystrophin is intron sequence? The human genome encodes a much greater variety and number of proteins than the...
In prokaryotes the consensus sequence begins. is located about 10 bases upstream from the initiation site....
In prokaryotes the consensus sequence begins. is located about 10 bases upstream from the initiation site. It has the and is responsible for identifying the precise nucleotide at which TATA box, TATAAA, transcription Pribnow box, TATAAT, transcription 0 0 0 0 0 Pribnow box, TATAAT, translation Pribnow bow, TTGACA, translation None of the answers are correct Ribosomes are made of: 1. rRNA 2. proteins 3. URNA 3 2 Both 1 and 2 are correct All answers are correct 1 Once...
can someone help me answer these ? ive answered them but im not sure my answers...
can someone help me answer these ? ive answered them but im
not sure my answers are correct...
1. Would you expect attenuation control to occur in eukaryotes? Justify your answer. 2. Alpha-amanitin was found to have different effects on the three eukaryotic RNA polymerases.. Two types of eukaryotic RNA polymerases labelled as X and Y are given to you and your task is to identify these 2 RNA polymerases a. For this purpose you used very low concentrations of...
please help, thank you!
The DNA sequence below represents an edited version of the PISTILLATA gene from the model plant Arabidopsis thaliana. The sequence comes from the nontemplate (coding) strand. Use the sequence to answer all questions on this assignment. 9 5'-TTTCTCTCTCTATCTCATCAATGTTACTTTAAAACCAATTTACCTTAATAGGTAAGCTCCTCTTCTTG TTCTTCATATAAATCCACATATCCTCTCCTCCATATCTTAACAATTTCATAGCAAACCCTAAAATTGAGA AAGAGATAGAGAGAGAAAGATGGGTAGAGGAAAGATCGAGATAAAGAGGATAGAGAACGCAAACAA CAGAGTGGTGACGGTATCCTTGCTCTCTTTTTAATCTAAAGTTTCTTTGTCTCAAAAATATTCCATGGC CAAAATCATGTAATAAGTTTTCAATTTCTTTACCAAAAACATGTCAAAAGACCCTTGAATCTTTAACCCT AGATGCAGATAACAACAGGAGATGGGATGATGAGAGATCATGACTCGATTGATCATCGAGATTTTAT AATCTCATCCTGATCAACTCCTATCTATAATATCGTGGTCTTTAGTTTGTCTTTATCAATCTGTGTGTCT TAATCTCAATAAAATATACTCATTAAAATCAAAATCCATAAATACGGACATAAACACGACAGACTTACG -3 0 . What kind of gene features would you expect Arabidopsis thaliana to have, bacterial or eukaryotic? 2. The gene contains a sequence that is recognized by the AP1 transcription...
4. A promoter for an E. coli gene that is transcribed by a s-70 RNA polymerase has the following sequence: 30 -20 10 +1 5'GGCTTTACACTTTATGCTTCCGGCTCGTATGTTGTGTGGA 3'CCGAAATGTGAAATACGAAGGCCGAGCATACAACACACCT The transcription start site +1) is identified. a. Identify the -10 and -35 sequences. How close are they to the consensus-10 and-35 sequences? b. What is the spacing between the -10 and the -35 sequences? How does this compare with the consensus spacing? C. The sequence of bases in a transcribed RNA is identical...
6. In the drawings below note and label all important elements (incl.consensus sequences) discussed in lectures and tutorial manual and listed below. Prokaryotis operon promoter (-10 and -35 elements), operator, multiple structural renes (for example 3), start site of transcription, start sites of translations, transcription termination sequence Prokaryotic mRNA (polycistronie): transcription start site, multiple ribosome binding sites The Shine-Dalgamo sequence in Ecoli), multiple ORFs (including start and stop codons). transcription termination sequence Eukaryotic genes promoter (TATA box), consensus sequence CAAT,...
28
29
30
31
32
33
28. Genes found in segments of chromosome called heterochromatin would likely be expressed at high levels. expressed at low levels, or not at all. deleted before replication. maternally inherited only. none of these 29. (Use this representation to answer the following question.) DNA template strand 5 3' DNA complementary strand 3' 5' Using the double-stranded molecule above, in which direction does the RNA polymerase enzyme move? 3' → 5' along the template strand 5'...
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...
6:35 5 minutes ago 25) Which of the following turns off transcription by binding to the operator? A) repressons B) lactose C) RNA polymerase D) promoters E) enzymes 25) 26) In bacteria, what name is given to a cluster of genes with related functions, along with their control 26) A) exon B) operon C) promoter D) activator E) regulatory gene A mutant bacterial cell has a defective aminoacyl synthetase that attaches a lysine to tRNAs with the anticodon AAA instead...
Genetics Worksheet Week 3: Gene Regulation and Epigenetics 1. Duchenne muscular dystrophy is caused by a mutation in a gene that is 2.5 million nucleotides in length and encodes a protein called dystrophin. The dystrophin protein itself is 3684 amino acids in length. Calculate below the approximate size of the mRNA that encodes dystrophin. Approximately what percentage of the gene that encodes dystrophin is intron sequence? The human genome encodes a much greater variety and number of proteins than the...
In prokaryotes the consensus sequence begins. is located about 10 bases upstream from the initiation site. It has the and is responsible for identifying the precise nucleotide at which TATA box, TATAAA, transcription Pribnow box, TATAAT, transcription 0 0 0 0 0 Pribnow box, TATAAT, translation Pribnow bow, TTGACA, translation None of the answers are correct Ribosomes are made of: 1. rRNA 2. proteins 3. URNA 3 2 Both 1 and 2 are correct All answers are correct 1 Once...
can someone help me answer these ? ive answered them but im
not sure my answers are correct...
1. Would you expect attenuation control to occur in eukaryotes? Justify your answer. 2. Alpha-amanitin was found to have different effects on the three eukaryotic RNA polymerases.. Two types of eukaryotic RNA polymerases labelled as X and Y are given to you and your task is to identify these 2 RNA polymerases a. For this purpose you used very low concentrations of...
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