Homework Answers
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An essential gene with a codon 5'-UUA-3' encodes for a amino acid leucine.
When mutation has occurred and the codon is changed the sequence to 5'-UUG-3', the same amino acid will be encoded. That is the codon 5'-UUG-3' also codes for the amino acid leucine.
Since this mutation doesn't affect the function of a cell but actual mutation has occurred, this mutation can be called as Silent mutation.
Hence the correct option is OPTION (4) This change results in a silent mutation.
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3 attempts left Check my work An essential gene has the codon 5-UUA-3' in a critical position. If this codon is mut...
I have my own answers, i just want to check my work, thanks! Given the DNA...
I have my own answers, i just want to check my work,
thanks!
Given the DNA sequence below: 3'-CGTCCTTCTATACTTCGCGGAATGCCGGTCCATGTAGGTTCACATTAGCGT-5' (Coding strand) 1. Replicate the corresponding template strand by using the aforementioned coding strand. Label the 5' and 3' ends in the new strand. 2. Transcribe the template strand to an mRNA sequence. 3. Find the start and stop codons on the mRNA and enclose it in a box or label with different color. 4. Write the amino acid sequence of...
What amino acid sequence will be generated, based on the following mRNA codon sequence? 5'AUG-UCU-UCG-UUA-UCC-UUG 3'...
What amino acid sequence will be generated, based on the following mRNA codon sequence? 5'AUG-UCU-UCG-UUA-UCC-UUG 3' How can a point mutation cause a frame shift mutation? Name the two reasons why meiosis is a very important type of cell division for sexually reproducing organism In plants cytokinesis differs from animals by how? How does this process happen Explain the role of the following in mitosis or cytokinesis. Kinetochores
Question 8 (of 9) value 1.00 points 3 attempts left Check my work List the three...
Question 8 (of 9) value 1.00 points 3 attempts left Check my work List the three classes of RNA molecules. Select the single best answer. O transcript RNA, ribosomal RNA, and transpose RNA O transcript RNA, mitochondrial RNA, and transpose RNA Omessenger RNA, ribosomal RNA, and transfer RNA messenger RNA, mitochondrial RNA, and transfer RNA K Question 9 (of 9) value: 1.00 points 3 attempts left Check my work Which is more likely to be a silent mutation: a point...
QUESTION 11 A mutation in a bacterial gene generates a UGA stop codon in the middle...
QUESTION 11 A mutation in a bacterial gene generates a UGA stop codon in the middle of the mRNA coding for the protein product. A second mutation in the cell leads to a single nucleotide change in a tRNA that allows the correct translation of the protein. The altered tRNA translate the UGA as tryptophan. What nucleotide change has probably occurred in the mutant tRNA molecule? a. A mutation that changes the anticodon to 5-ACI O b. A mutation that...
There is a mutation in a codon-sequencing triplet of DNA. The sequence of 3' ATG 5'...
There is a mutation in a codon-sequencing triplet of DNA. The sequence of 3' ATG 5' was mutated so that now it reads 3' ATC 5. What kind of mutation is this? SECOND POSITION с A U phenyl- slanine tyrosine cysteine U U с А serine leucine stop stop stop tryptophan G histidine U С A с leucine proline arginine FIRST POSITION glutamine THIRD POSITION isoleucine asparagine G U с А G serine А threonine methionine lysine arginine valine aspartic...
Please note that Questions 15 to 17 are connected questions. Question 15: The following shows a...
Please note that Questions 15 to 17 are connected
questions.
Question 15:
The following shows a partial DNA sequence from the wild-type
(normal) allele for the human leukemia-linked apoptotic
gene.
5' ATGCGATTAATCGGTAAA 3' (non-template strand)
3' TACGCTAATTAGCCATTT 5' (template strand)
Please answer the following questions:
(a) If the bottom strand serves as the DNA template for
transcription, what is the resulting mRNA sequence?
The mRNA sequence is 5' 3'. (2
marks)
5' AUG CGA UUA AUC GGU AAA 3' ?
Please enter...
Describe what kind of mutation this allele has (e.g. insertion, deletion, substitution), which codon it is...
Describe what kind of mutation this allele has (e.g. insertion, deletion, substitution), which codon it is in, what effect it will have on the protein (e.g. nonsense missense, silent) as well as the amino acid change it will cause if it is a substitution. Refer to the genetic code. U UUU C UCU Uục Phe UCC Ser UUA UUG CUU UCA UCG CCU CCC Α UAU UAC y UGC cys UAA Stop UGA Stop UAG Stop UGG trp CGU CAC"...
QUESTION 34 The gene encoding an E. coli tRNA containing the anticodon 5'-GUA-3' mutates so that...
QUESTION 34 The gene encoding an E. coli tRNA containing the anticodon 5'-GUA-3' mutates so that the anticodon now is 5'-UUA-3'. What will be the effect of this mutation? a. The bacterial ribosomes would stop translation whenever a tyrosine codon in a mRNA is positioned in the A site. b. The bacterial ribosomes would stop translation whenever a leucine codon in a mRNA is positioned in the A site. c. The bacterial ribosomes would compete with the termination factor to...
D) Consider that during replication of the cell. the following mutations were generated within the gene...
D) Consider that during replication of the cell. the following mutations were generated within the gene sequence. Find the mutation (in bold Italics-underlined Specify the protein sequences for each mutant sequence. mutation type 1: This is a non-sense mutation because the codon does not code for an amino acid any more 5' -..AACTAATGCCGTAAGACGTATTTTGACTAAT..-3' (substitution of a C 7 A in codon 3) 3'- TTGATTACGGCAT ICTGCATAAAACTGATTA..-5 S mutation type 2: This is a missense mutation because the codon now codes for...
24. Now consider that same sequence as above except that the base marked with an asterisk (") is changed from a G to an A (see below), How does that change alter the outcome -CAUCGCUCAUGAACGCA...
24. Now consider that same sequence as above except that the base marked with an asterisk (") is changed from a G to an A (see below), How does that change alter the outcome -CAUCGCUCAUGAACGCAG UUAGUCAGUAGUCCUGGACC- 3 a) That change does not alter the translation product. That change alters the translation product. That is an example of a missense mutation b) The change alters one of the translation products, This is an example of a missense mutation d) c) That...
I have my own answers, i just want to check my work,
thanks!
Given the DNA sequence below: 3'-CGTCCTTCTATACTTCGCGGAATGCCGGTCCATGTAGGTTCACATTAGCGT-5' (Coding strand) 1. Replicate the corresponding template strand by using the aforementioned coding strand. Label the 5' and 3' ends in the new strand. 2. Transcribe the template strand to an mRNA sequence. 3. Find the start and stop codons on the mRNA and enclose it in a box or label with different color. 4. Write the amino acid sequence of...
What amino acid sequence will be generated, based on the following mRNA codon sequence? 5'AUG-UCU-UCG-UUA-UCC-UUG 3' How can a point mutation cause a frame shift mutation? Name the two reasons why meiosis is a very important type of cell division for sexually reproducing organism In plants cytokinesis differs from animals by how? How does this process happen Explain the role of the following in mitosis or cytokinesis. Kinetochores
Question 8 (of 9) value 1.00 points 3 attempts left Check my work List the three classes of RNA molecules. Select the single best answer. O transcript RNA, ribosomal RNA, and transpose RNA O transcript RNA, mitochondrial RNA, and transpose RNA Omessenger RNA, ribosomal RNA, and transfer RNA messenger RNA, mitochondrial RNA, and transfer RNA K Question 9 (of 9) value: 1.00 points 3 attempts left Check my work Which is more likely to be a silent mutation: a point...
QUESTION 11 A mutation in a bacterial gene generates a UGA stop codon in the middle of the mRNA coding for the protein product. A second mutation in the cell leads to a single nucleotide change in a tRNA that allows the correct translation of the protein. The altered tRNA translate the UGA as tryptophan. What nucleotide change has probably occurred in the mutant tRNA molecule? a. A mutation that changes the anticodon to 5-ACI O b. A mutation that...
There is a mutation in a codon-sequencing triplet of DNA. The sequence of 3' ATG 5' was mutated so that now it reads 3' ATC 5. What kind of mutation is this? SECOND POSITION с A U phenyl- slanine tyrosine cysteine U U с А serine leucine stop stop stop tryptophan G histidine U С A с leucine proline arginine FIRST POSITION glutamine THIRD POSITION isoleucine asparagine G U с А G serine А threonine methionine lysine arginine valine aspartic...
Please note that Questions 15 to 17 are connected
questions.
Question 15:
The following shows a partial DNA sequence from the wild-type
(normal) allele for the human leukemia-linked apoptotic
gene.
5' ATGCGATTAATCGGTAAA 3' (non-template strand)
3' TACGCTAATTAGCCATTT 5' (template strand)
Please answer the following questions:
(a) If the bottom strand serves as the DNA template for
transcription, what is the resulting mRNA sequence?
The mRNA sequence is 5' 3'. (2
marks)
5' AUG CGA UUA AUC GGU AAA 3' ?
Please enter...
Describe what kind of mutation this allele has (e.g. insertion, deletion, substitution), which codon it is in, what effect it will have on the protein (e.g. nonsense missense, silent) as well as the amino acid change it will cause if it is a substitution. Refer to the genetic code. U UUU C UCU Uục Phe UCC Ser UUA UUG CUU UCA UCG CCU CCC Α UAU UAC y UGC cys UAA Stop UGA Stop UAG Stop UGG trp CGU CAC"...
QUESTION 34 The gene encoding an E. coli tRNA containing the anticodon 5'-GUA-3' mutates so that the anticodon now is 5'-UUA-3'. What will be the effect of this mutation? a. The bacterial ribosomes would stop translation whenever a tyrosine codon in a mRNA is positioned in the A site. b. The bacterial ribosomes would stop translation whenever a leucine codon in a mRNA is positioned in the A site. c. The bacterial ribosomes would compete with the termination factor to...
D) Consider that during replication of the cell. the following mutations were generated within the gene sequence. Find the mutation (in bold Italics-underlined Specify the protein sequences for each mutant sequence. mutation type 1: This is a non-sense mutation because the codon does not code for an amino acid any more 5' -..AACTAATGCCGTAAGACGTATTTTGACTAAT..-3' (substitution of a C 7 A in codon 3) 3'- TTGATTACGGCAT ICTGCATAAAACTGATTA..-5 S mutation type 2: This is a missense mutation because the codon now codes for...
24. Now consider that same sequence as above except that the base marked with an asterisk (") is changed from a G to an A (see below), How does that change alter the outcome -CAUCGCUCAUGAACGCAG UUAGUCAGUAGUCCUGGACC- 3 a) That change does not alter the translation product. That change alters the translation product. That is an example of a missense mutation b) The change alters one of the translation products, This is an example of a missense mutation d) c) That...
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