Homework Answers
Answer=
A particular mRNA is 300 nucleotides long.If a mutation in the middle of the sequence changed a codon from AAA to UAA ,the reasonable prediction is that
The protein coded by this mRNA would be shorter.
Explaination- A particular mRNA is 300 nucleotides long if when there is no any mutation occur then then codon AAA gives the Lysine amino acid .and a protein which is synthesized after the translation consists of 100 amino acids.
When there is a mutation in the middle of the sequence changed a codon from AAA to UAA ,then at that site the process of translation is stopped,because the codon UAA is the stop codon it does not represent or code any amino acid therefore protein synthesis stop and we get the protein which have only 49 amino acids.
in this way the protein coded by mutated mRNA is shorter than normal mRNA.
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Part A A particular mRNA is 300 nucleotides long. If a mutation in the middle of...
Question 2: Transcription, RNA Processing and Translation A particular gene codes for a mature mRNA transcript...
Question 2: Transcription, RNA Processing and Translation A particular gene codes for a mature mRNA transcript containing 1200 bases, which is translated into a protein containing 300 amino acids. A. How long is the coding sequence in this mRNA and how many nucleotides are in the UTRs? For the purposes of this question we are ignoring the G’ cap and the polyA tail. B. A mutant form of the gene created by one nucleotide being changed to another nucleotide also...
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...
Did I answer the mRNA sequences and Amino acid sequences correctly? What types of mutations are...
Did I answer the mRNA sequences
and Amino acid sequences correctly? What types of mutations are
these? How do you do the bottom?
Part 3. Cystic Fibrosis Directions: Cystic Fibrosis is a disorder where the individuals have long and kidney problems. The disorder is caused by a mutation in one of the individual's genes. Complete the boxes below by finding the mRNA and amino acid sequence Compare the moutant DNA strands to the original strand. Circle the mutation in the...
Week 14- Chapter 21 Homework Problem 21.72 < 52 of 58 Review Constants| Periodic Table Part A How does a point mutation for an enzyme affect the order of amino acids in that protein? Drag the term...
Week 14- Chapter 21 Homework Problem 21.72 < 52 of 58 Review Constants| Periodic Table Part A How does a point mutation for an enzyme affect the order of amino acids in that protein? Drag the terms on the left to the appropriate blanks on the right to complete the sentences. Reset Help then the order of amino acids will change in the of the polypeptide chain If the resulting codon still codes for the same amino acid, If the...
pls fo all 20) A) an enzyme that synthesizes RNA as part of the transcription process...
pls fo all
20) A) an enzyme that synthesizes RNA as part of the transcription process B) an enzyme that uses RNA as a substrate C) an enzyme that catalyzes the association between the large and small ribosomal subunits D) an enzyme that synthesizes RNA primers during DNA replication E) an RNA with enzymatic activity 20) What is a ribozyme? 21) 21) Alternative RN A splicing A) increases the rate of transcription. B) can allow the production of similar proteins...
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...
Student Sheet Name Title: Making Sentences of DNA structions coded in DNA in this activity yoids....
Student Sheet Name Title: Making Sentences of DNA structions coded in DNA in this activity yoids. The words Introduction: The instructions coded in DNA must be read and turned into pro molecules for the cell to carry out the instructions. In this activity you will model this process using sentences for DNA and RNA and words for amino acids. The words must line up in the correct order for the protein to form properly, just like words in a sentence...
13. Why are ribonucleoside triphosphates the monomers required for RNA synthesis rather than ribonucleoside monophosphates? A....
13. Why are ribonucleoside triphosphates the monomers required for RNA synthesis rather than ribonucleoside monophosphates? A. Only ribonucleoside triphosphates contain the sugar ribose. B. Ribonucleoside triphosphates have low potential energy, making the polymerization reaction endergonic. C. Ribonucleoside triphosphates have high potential energy, making the polymerization reaction exergonic. D. Ribonucleoside monophosphates cannot form complementary base pairs with the DNA template. E. Ribonucleoside triphosphates are not used, rather all use deoxyriboside triphosphates. 14. How is a mutation in a bacterial cell that...
Review Questions BIOL 260: Chapters 8-10, 13, 19 1. Consider a mutation involving the deletion of...
Review Questions BIOL 260: Chapters 8-10, 13, 19 1. Consider a mutation involving the deletion of either 1, 2, or 3 nucleotides in the DNA of a bacterium. Which of these mutations (ie., deletion of 1, 2, or 3 nucleotides) would likely have the LEAST impact on the organism? Why? Include in your answer a comparison with the other two options to justify your reasoning. Think carefully about the impact each mutation would have on the ultimate protein coded for...
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...
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...
Did I answer the mRNA sequences
and Amino acid sequences correctly? What types of mutations are
these? How do you do the bottom?
Part 3. Cystic Fibrosis Directions: Cystic Fibrosis is a disorder where the individuals have long and kidney problems. The disorder is caused by a mutation in one of the individual's genes. Complete the boxes below by finding the mRNA and amino acid sequence Compare the moutant DNA strands to the original strand. Circle the mutation in the...
Week 14- Chapter 21 Homework Problem 21.72 < 52 of 58 Review Constants| Periodic Table Part A How does a point mutation for an enzyme affect the order of amino acids in that protein? Drag the terms on the left to the appropriate blanks on the right to complete the sentences. Reset Help then the order of amino acids will change in the of the polypeptide chain If the resulting codon still codes for the same amino acid, If the...
pls fo all
20) A) an enzyme that synthesizes RNA as part of the transcription process B) an enzyme that uses RNA as a substrate C) an enzyme that catalyzes the association between the large and small ribosomal subunits D) an enzyme that synthesizes RNA primers during DNA replication E) an RNA with enzymatic activity 20) What is a ribozyme? 21) 21) Alternative RN A splicing A) increases the rate of transcription. B) can allow the production of similar proteins...
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...
Student Sheet Name Title: Making Sentences of DNA structions coded in DNA in this activity yoids. The words Introduction: The instructions coded in DNA must be read and turned into pro molecules for the cell to carry out the instructions. In this activity you will model this process using sentences for DNA and RNA and words for amino acids. The words must line up in the correct order for the protein to form properly, just like words in a sentence...
13. Why are ribonucleoside triphosphates the monomers required for RNA synthesis rather than ribonucleoside monophosphates? A. Only ribonucleoside triphosphates contain the sugar ribose. B. Ribonucleoside triphosphates have low potential energy, making the polymerization reaction endergonic. C. Ribonucleoside triphosphates have high potential energy, making the polymerization reaction exergonic. D. Ribonucleoside monophosphates cannot form complementary base pairs with the DNA template. E. Ribonucleoside triphosphates are not used, rather all use deoxyriboside triphosphates. 14. How is a mutation in a bacterial cell that...
Review Questions BIOL 260: Chapters 8-10, 13, 19 1. Consider a mutation involving the deletion of either 1, 2, or 3 nucleotides in the DNA of a bacterium. Which of these mutations (ie., deletion of 1, 2, or 3 nucleotides) would likely have the LEAST impact on the organism? Why? Include in your answer a comparison with the other two options to justify your reasoning. Think carefully about the impact each mutation would have on the ultimate protein coded for...
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...
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