Homework Answers
Answer – Option (A). Site directed mutagenesis make use of primer displaying the mutated base.
Protein engineering is a method of changing a protein sequence to achieve a desired type of protein, such as a change in the substrate specificity, or increased stability to the temperature etc.
In site directed mutagenesis the basic procedure requires the synthesis of a short DNA primer. This new primer contains the desired mutation and is complementary to the template DNA around the mutation site, so it can be hybridized with the DNA in the gene of interest. The single-strand primer is then extended using a DNA polymerase, which copies the rest of the gene. New gene copied contains the mutated site, and is then introduced into a host cell in a vector and cloned.
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Question 1 1 pts Which one of the following is a true statement about techniques used...
help solve please Which statement is not true (meaning False) about the virus capsid? Select one:...
help solve please
Which statement is not true (meaning False) about the virus capsid? Select one: O a. Because the capsid is not essential to the virus, it's not a useful target for antiviral drugs. b. The capsid is made of one or more types of protein subunits. O c. The capsid determines the shape of the virus. O d. The capsid functions as a package for the viral genetic material. O e. Both bacteriophage and animal viruses have capsids....
1) Which of the following mutations could result in a frameshift? A) a base insertion B)...
1) Which of the following mutations could result in a frameshift? A) a base insertion B) a base deletion C) a base substitution D) either A or B E) A, B, and C 2) Which of the following point mutations would be most likely to result in a non-functioning protein? A) a single base substitution in an intron B) a single base deletion near the end of the coding sequence C) a single base deletion in the codon following the...
36. Which statement is true about Nucleic Acids? a) DNA is a protein b) DNA is...
36. Which statement is true about Nucleic Acids? a) DNA is a protein b) DNA is identical to RNA C) RNA has the structure of a double helix, d) RNA binds to DNA but not to amino acids. e) None of these are true. 37. Which is true for DNA, RNA and Polypeptides? a) They all have R groups, b) They are formed from ribose by dehydration synthesis. c) They all have subunits that include nitrogenous bases. d) They were...
Question 1 1 pts Which one of the following statement is correct about the stars with...
Question 1 1 pts Which one of the following statement is correct about the stars with mass equal to 10% of the solar mass? they are the most common type of Cepheid variable stars objects of 10% of the solar mass cannot be stars all stars of that mass, no matter when they were formed, are still on the main sequence of HR diagram. at the end of their evolution they will become neutron stars at the end of their...
5. In an equilibrium denaturation experiment, one makes up a series of different protein solutions, 1,...
5. In an equilibrium denaturation experiment, one makes up a series of different protein solutions, 1, 2, ..., M, having different amounts of urea, a denaturing agent, x1, x2, ..., XM. Then, for each particular solution, having denaturing agent in amount x, one measures the proportion f(x) of native protein molecules and the proportion fo(x) = 1 - fr of denatured protein molecules. Increasing the denaturing agent increases the population of Drelative to N. In the absence of denaturing agent,...
please answer all 6 questions Question 27 3 pts TRBP is a protein important for the...
please answer all 6 questions
Question 27 3 pts TRBP is a protein important for the formation of the RISC complex. Which of the following would you expect in cells with null mutations in TRBP? o Reduced siRNA-mediated mRNA degradation o Increased miRNA-mediated translational repression o Increased deadenylase-mediated mRNA degradation o Reduced proteasome-mediated protein degradation D Question 28 3 pts A protein that binds to the 3' UTR of a VEGF mRNA and promotes deadenylation and uncapping is likely to:...
The genetic code is "redundant" because: Question 1 options: Each amino acid is specified by only...
The genetic code is "redundant" because: Question 1 options: Each amino acid is specified by only a single codon Most amino acids are specified by multiple codons Codons are groups of four consecutive DNA bases Each codon can specify multiple amino acids Question 2 (1 point) A mutation in the DNA may not result in change in protein function because: Question 2 options: Many different amino acids share similar chemical properties, so can substitute for one another without altering function...
The genetic code is "redundant" because: Question 1 options: Each amino acid is specified by only...
The genetic code is "redundant" because: Question 1 options: Each amino acid is specified by only a single codon Most amino acids are specified by multiple codons Codons are groups of four consecutive DNA bases Each codon can specify multiple amino acids Question 2 (1 point) A mutation in the DNA may not result in change in protein function because: Question 2 options: Many different amino acids share similar chemical properties, so can substitute for one another without altering function...
Question 1 6 pts Which of the following statements are true about the Sherlock protocol: The...
Question 1 6 pts Which of the following statements are true about the Sherlock protocol: The test requires a lab to run the PCR Collateral RNAse activity is activated when RNA guide finds the target RNA (COVID19). If the Reporter RNA is cleaved by CAS13 it binds to the test strip, 2 lines will appear test positive The Cas13 protein attached to the RNA guide has collateral RNA activity This test does not require a PCR step Question 2 2...
Question 33 2 pts Which of the following statements about the process of DNA replication is...
Question 33 2 pts Which of the following statements about the process of DNA replication is true? It involves the enzyme DNA ligase, which corrects point mutations. It utilizes DNA polymerase, which catalyzes the reaction that adds a new nucleotide to the growing strand. The sequence on the new strand is always identical to one of the old parent strands. Adenine pairs with guanine, and cytosine pairs with thymine. Question 34 2 pts The DNA base...
help solve please
Which statement is not true (meaning False) about the virus capsid? Select one: O a. Because the capsid is not essential to the virus, it's not a useful target for antiviral drugs. b. The capsid is made of one or more types of protein subunits. O c. The capsid determines the shape of the virus. O d. The capsid functions as a package for the viral genetic material. O e. Both bacteriophage and animal viruses have capsids....
36. Which statement is true about Nucleic Acids? a) DNA is a protein b) DNA is identical to RNA C) RNA has the structure of a double helix, d) RNA binds to DNA but not to amino acids. e) None of these are true. 37. Which is true for DNA, RNA and Polypeptides? a) They all have R groups, b) They are formed from ribose by dehydration synthesis. c) They all have subunits that include nitrogenous bases. d) They were...
Question 1 1 pts Which one of the following statement is correct about the stars with mass equal to 10% of the solar mass? they are the most common type of Cepheid variable stars objects of 10% of the solar mass cannot be stars all stars of that mass, no matter when they were formed, are still on the main sequence of HR diagram. at the end of their evolution they will become neutron stars at the end of their...
5. In an equilibrium denaturation experiment, one makes up a series of different protein solutions, 1, 2, ..., M, having different amounts of urea, a denaturing agent, x1, x2, ..., XM. Then, for each particular solution, having denaturing agent in amount x, one measures the proportion f(x) of native protein molecules and the proportion fo(x) = 1 - fr of denatured protein molecules. Increasing the denaturing agent increases the population of Drelative to N. In the absence of denaturing agent,...
please answer all 6 questions
Question 27 3 pts TRBP is a protein important for the formation of the RISC complex. Which of the following would you expect in cells with null mutations in TRBP? o Reduced siRNA-mediated mRNA degradation o Increased miRNA-mediated translational repression o Increased deadenylase-mediated mRNA degradation o Reduced proteasome-mediated protein degradation D Question 28 3 pts A protein that binds to the 3' UTR of a VEGF mRNA and promotes deadenylation and uncapping is likely to:...
Question 1 6 pts Which of the following statements are true about the Sherlock protocol: The test requires a lab to run the PCR Collateral RNAse activity is activated when RNA guide finds the target RNA (COVID19). If the Reporter RNA is cleaved by CAS13 it binds to the test strip, 2 lines will appear test positive The Cas13 protein attached to the RNA guide has collateral RNA activity This test does not require a PCR step Question 2 2...
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