The mRNA coding for the λ repressor actually begins with 5'-AUG, which encodes the methionine residue...
The mRNA coding for the λ repressor actually begins with 5'-AUG, which encodes the methionine residue that begins the protein. What is unusual about this beginning, and would you expect it to have any effect on the translation of this prokaryotic mRNA?
Homework Answers
In general the bacteria contains N formyl Met as a first amino acid, here which is different than that of the lambda repressor case which is met.
AN d It is expected to have an effect on the translation process.
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The mRNA coding for the λ repressor actually begins with 5'-AUG,
which encodes the methionine residue...
Shown below is the sequence of a coding strand of DNA that begins with what corresponds...
Shown below is the sequence of a coding strand of DNA that begins with what corresponds to the translation start codon (AUG) in the mRNA transcript. You are analyzing two different mutants. Mutant #1 has an extra C residue after the underlined G residue and Mutant 2 has a deletion of the underlined A residue. Wild type 5’- ATGCTTACTGAGGTCATGGTACAGATGA Mutant 1 5’- ATGCTTACTGCAGGTCATGGTACAGATGA Mutant 2 5’- ATGCTTACTGAGGTCATGGTCAGATGA What is the amino acid sequence of the polypeptide encoded by: B. The...
QUESTION 3 The codon S-AUG-3' on an mRNA encodes the amino acid methionine. What is the...
QUESTION 3 The codon S-AUG-3' on an mRNA encodes the amino acid methionine. What is the corresponding anticodon found on the methionine charged tRNA? 3-UAC-5 5-UAC-3 o 3-GUA-5 5'-ATG-3 QUESTION 4 Match each cause of DNA damage with the mechanism by which it can lead to mutations. Topoisomerase is unable to function properly, and when it makes A cuts in the DNA strands these are not always repaired. This leads to a loss of nucleotides and potential frameshift mutations. In...
Prokaryotic mRNA usually encodes for more than one protein while eukaryotic mRNA a single protein. Eukaryotic...
Prokaryotic mRNA usually encodes for more than one protein while eukaryotic mRNA a single protein. Eukaryotic DNA is linear and bacterial and archaeal DNA is-linear. In prokaryotes, ribosomes attach to the mRNA and start protein synthesis even before transcription is completed. Eukaryotic mRNA, rRNA, and tRNA are all highway processed. Nuclear pore complexes control the entry and exit to and from the nucleus. They will not let mRNA exit the nucleus before it is full processed. Eukaryotic and archaeal DNA...
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...
Background Information How can we predict where a coding gene will be in bacteria? And can...
Background Information How can we predict where a coding gene will be in bacteria? And can we then predict what protein will be produced? Take the DNA sequence below, for example. tcaggctttaattcatccgtgatctttgacgacggtaaatacgatgcagatataatacgatgaccgatgccaatcgaccgatcaaggaggcaccgaatggcgatgatggcgatgattgcgattaacgaagtggaacgcattatggcgggcattaacgaagatacccatgcgaccggcgaaaacgaaaccatttgcagctgcgcgaactttgaagaactgacccatgcgaccggccgcgaagcgacctaaaagtcgtaattacgtatcaagtcatgggccgcgggcgcccggcccactgactagactagggccgggcgcccgcggcccaccatataaataaaaaaaaaaaaaacgaggctatagctcatcaatgacct If you were a bacterial RNA polymerase, what sequence(s) should there be in this DNA for you to bind and begin transcribing? And if you found such sequence(s), where would you begin transcription? As a human being looking at this fragment of DNA, what type of consensus sequence(s)...
You are given the following sequence of DNA which encodes for a short protein (this is...
You are given the following sequence of DNA which encodes for a short protein (this is the template strand). 3'ATAGAAGTACCTCGGGCATTTTGAGTTAGCCACTGATACAT 5' 1) Write the sequence of the coding strand. Make sure to label your ends to indicate directionality. 2) Write the sequence of the mRNA. Assume that the entire molecule will be transcribed. Make sure to label your ends to indicate directionality. 3) Write the primary structure sequence of the protein which this would make. Make sure to label your...
B) If this mRNA is translated beginning with the first AUG codon in its sequence, what is...
B) If this mRNA is translated beginning with the
first AUG codon in its sequence, what is the N-terminal
amino acid sequence of the protein that it encodes?
can you help me solve A and B
The 5'-end of an mRNA has the sequence: ...GUCCCAUUGAUGCAUGAAUCAUAUGGCAGAGCCCGCUGG... a What is the nucleotide sequence of the DNA template strand from which it was transcribed? The Standard Genetic Code AAA Lysine CAA Glutamine GAA Glutamate UAA stop AAC Asparagine CAC | Histidine GAC Aspartate UAC...
Answer the questions: Question 1 Transcription begins at the..... a. operon o b. repressor c. genome...
Answer the questions:
Question 1 Transcription begins at the..... a. operon o b. repressor c. genome 17d. promoter Question 2 0.5 points Save RNA is synthesized on a DNA template in a process called replication, DNA polymerase translation, RNA polymerase transcription, RNA polymerise t ranscription, DNA polymerase Question 3 Which eukaryotic RNA polymerase makes tRNA's? a RNA polymerase IIIb. Any of these RNA polymerase I od RNA polymerase II A Moving to another question will save this response. Question 4...
6. Using the answers to questions 2-5 and the below DNA sequence, predict the mRNA sequence,...
6. Using the answers to questions 2-5 and the below DNA sequence, predict the mRNA sequence, the tRNA anticodons, and the amino acid sequences (use the three letter code) that would result from it. (3 points) DNA +1 15'GICIA I G C A A CICATI I AA GG 3' 3" CA GATA C GTIGA GIA A A IICC 5 mRNA tRNA anticodons amino acids 7. You are interested in a gene that codes for a 20 amino acid-long protein. (1.5...
2. When transcribing an mRNA strand, RNA polymerase uses the strand of DNA to match complementary...
2. When transcribing an mRNA strand, RNA polymerase uses the strand of DNA to match complementary bases with. RNA polymerase always reads this strand in the direction and always builds mRNA in the direction. (1.5 pts) 3. (0.5 pt) What is the significance of the +1 site in regards to transcription of mRNA? t) When translating an mRNA sequence, where does the ribosome always begin? 5. (0.5 pt) When translating an mRNA sequence, what signals the ribosome to end translation?...
QUESTION 3 The codon S-AUG-3' on an mRNA encodes the amino acid methionine. What is the corresponding anticodon found on the methionine charged tRNA? 3-UAC-5 5-UAC-3 o 3-GUA-5 5'-ATG-3 QUESTION 4 Match each cause of DNA damage with the mechanism by which it can lead to mutations. Topoisomerase is unable to function properly, and when it makes A cuts in the DNA strands these are not always repaired. This leads to a loss of nucleotides and potential frameshift mutations. In...
Prokaryotic mRNA usually encodes for more than one protein while eukaryotic mRNA a single protein. Eukaryotic DNA is linear and bacterial and archaeal DNA is-linear. In prokaryotes, ribosomes attach to the mRNA and start protein synthesis even before transcription is completed. Eukaryotic mRNA, rRNA, and tRNA are all highway processed. Nuclear pore complexes control the entry and exit to and from the nucleus. They will not let mRNA exit the nucleus before it is full processed. Eukaryotic and archaeal DNA...
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...
You are given the following sequence of DNA which encodes for a short protein (this is the template strand). 3'ATAGAAGTACCTCGGGCATTTTGAGTTAGCCACTGATACAT 5' 1) Write the sequence of the coding strand. Make sure to label your ends to indicate directionality. 2) Write the sequence of the mRNA. Assume that the entire molecule will be transcribed. Make sure to label your ends to indicate directionality. 3) Write the primary structure sequence of the protein which this would make. Make sure to label your...
B) If this mRNA is translated beginning with the
first AUG codon in its sequence, what is the N-terminal
amino acid sequence of the protein that it encodes?
can you help me solve A and B
The 5'-end of an mRNA has the sequence: ...GUCCCAUUGAUGCAUGAAUCAUAUGGCAGAGCCCGCUGG... a What is the nucleotide sequence of the DNA template strand from which it was transcribed? The Standard Genetic Code AAA Lysine CAA Glutamine GAA Glutamate UAA stop AAC Asparagine CAC | Histidine GAC Aspartate UAC...
Answer the questions:
Question 1 Transcription begins at the..... a. operon o b. repressor c. genome 17d. promoter Question 2 0.5 points Save RNA is synthesized on a DNA template in a process called replication, DNA polymerase translation, RNA polymerase transcription, RNA polymerise t ranscription, DNA polymerase Question 3 Which eukaryotic RNA polymerase makes tRNA's? a RNA polymerase IIIb. Any of these RNA polymerase I od RNA polymerase II A Moving to another question will save this response. Question 4...
6. Using the answers to questions 2-5 and the below DNA sequence, predict the mRNA sequence, the tRNA anticodons, and the amino acid sequences (use the three letter code) that would result from it. (3 points) DNA +1 15'GICIA I G C A A CICATI I AA GG 3' 3" CA GATA C GTIGA GIA A A IICC 5 mRNA tRNA anticodons amino acids 7. You are interested in a gene that codes for a 20 amino acid-long protein. (1.5...
2. When transcribing an mRNA strand, RNA polymerase uses the strand of DNA to match complementary bases with. RNA polymerase always reads this strand in the direction and always builds mRNA in the direction. (1.5 pts) 3. (0.5 pt) What is the significance of the +1 site in regards to transcription of mRNA? t) When translating an mRNA sequence, where does the ribosome always begin? 5. (0.5 pt) When translating an mRNA sequence, what signals the ribosome to end translation?...
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