Will a single base pair change in a gene (DNA/RNA) always result in a change to...
Will a single base pair change in a gene (DNA/RNA) always result in a change to the protein sequence? How will a frameshift mutation at the DNA/RNA level affect the protein sequence?
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Will a single base pair change in a gene (DNA/RNA) always result
in a change to...
Suppose there is a genetic disorder caused by a single base change in a gene on...
Suppose there is a genetic disorder caused by a single base change in a gene on chromosome 11, which changes a cellular protein so that its function is altered. This mutation happens also to eliminate a cleavage site for a restriction endonuclease EcoRI (sequence: 5'-GAATTC-3'). If you isolated a portion of chromosome 11 DNA containing this defective gene, explain exactly how could you use restriction enzymes and gel electrophoresis to detect the base change. Please write 500 words or fewer.
70. RNA synthesis in bacteria requires which of the following? a. DNA polymerase III b. A...
70. RNA synthesis in bacteria requires which of the following? a. DNA polymerase III b. A primer c. A DNA template d. DNA Gyrase e. Deoxyribonucleotide triphosphate 86. Two phenotypically normal people have 4 children. 3 are phenotypically normal like their parents, but one is an albino. What are the probable genotypes of the parents? a. Both parents are homozygous dominant b. Both parents are homozygous recessive c. One parent is homozygous dominant and the other is homozygous recessive d....
The transcribed portion of a DNA sequence for a gene is shown below
The transcribed portion of a DNA sequence for a gene is shown below. Identify the mRNA sequence and the polypeptide sequence that would be produced from this gene. Also, identify the specific type of DNA mutation and protein mutation that would result if the underlined A/T basepair was mutated to a C/G basepair. NOTE: Assume RNA polymerase is moving left to right across the page. 3' - TATACGCGATATGGATTC - 5 5'- ATATGCGCTATACCTAAG - 3
The information below represents a change in a portion of the base sequence in a DNA...
The information below represents a change in a portion of the base sequence in a DNA molecule. AOC G A I x-ray, A@CGAT This change can best be interpreted as (1) protein synthesis (2) gene replication (3) nucleic acid replication (4) a gene mutation
D Question 4 A silent mutation has no change in RNA sequence O no change to...
D Question 4 A silent mutation has no change in RNA sequence O no change to DNA, RNA, or protein O no change in protein sequence O no change in DNA sequence Question 5 Which mutation changes one amino acid for another? nonsense all of these are correct missense silent
3. (1.8 points) The normal CFTR gene contains these six codons near the middle of the...
3. (1.8 points) The normal CFTR gene contains these six codons near the middle of the transcript: AUU UCU VUA GCA AGA GCU... Al The corresponding amino acids in the normal CFTR protein are: (Use either the one-or three-letter amino acid codes A naint mutation changes the last nucleotide from U to C. At the DNA level, this is a transition transversion c) At the protein level, this is a (silent / missense / nonsense/frameshift ) mutation. D) Instead of...
1.The change of the base sequence of eukaryotic RNAs after they have been transcribed is known...
1.The change of the base sequence of eukaryotic RNAs after they have been transcribed is known as -RNA editing -Base modification -Processing -Splicing 2. true or false.. during elongation of transcription, RNA polymerase is primarily in a closed complex. 3. In sickle cell anemia, the β-globin gene has a valine at position 6 instead of the normal glutamic acid. The remaining protein sequence is unchanged. This is an example of which of the following types of mutations? - Silent mutation...
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...
Which type of transcriptional termination requires formation of a stem loop secondary structure in the RNA?...
Which type of transcriptional termination requires formation of a stem loop secondary structure in the RNA? What is the primary factor involved in the termination of RNA synthesis? Is a new nucleotide added to a growing strand of RNA at the 3′ end? DNA and associated histones compose what molecule? Be able to use a codon table to give the sequence of amino acids from an mRNA sequence. I will give you an mRNA sequence; you will indicate how many...
1. Factors that contribute to the mutation rate of any gene include: Choose all correct. A....
1. Factors that contribute to the mutation rate of any gene include: Choose all correct. A. The size of the gene B.The protein the gene will give rise to after translation C.The nucleotide sequence (DNA or mRNA) D.Spontaneous chemical changes E. The location of the gene on the chromosome (What is the correct answer) 2.Trinucleotides are really just: A. A codon that will be read and converted into a single amino acid in a protein sequence B.A piece of DNA...
The information below represents a change in a portion of the base sequence in a DNA molecule. AOC G A I x-ray, A@CGAT This change can best be interpreted as (1) protein synthesis (2) gene replication (3) nucleic acid replication (4) a gene mutation
D Question 4 A silent mutation has no change in RNA sequence O no change to DNA, RNA, or protein O no change in protein sequence O no change in DNA sequence Question 5 Which mutation changes one amino acid for another? nonsense all of these are correct missense silent
3. (1.8 points) The normal CFTR gene contains these six codons near the middle of the transcript: AUU UCU VUA GCA AGA GCU... Al The corresponding amino acids in the normal CFTR protein are: (Use either the one-or three-letter amino acid codes A naint mutation changes the last nucleotide from U to C. At the DNA level, this is a transition transversion c) At the protein level, this is a (silent / missense / nonsense/frameshift ) mutation. D) Instead of...
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...
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