A mutagen changes a C-G basepair in the genome to an A-T basepair. This is an example of... A different mutagen changes a C-G basepair in the genome to a T-A basepair. This is an example of... a. transition b. inversion c. transversion d. epigenetic
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A mutagen changes a C-G basepair in the genome to an A-T basepair. This is an example of...
A different mutagen changes a C-G basepair in the genome to a T-A basepair. This is an example of...
a. transition
b. inversion
c. transversion
d. epigenetic
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- a. Acridine orange is an effective mutagen for producing null alleles by mutation. Why does it produce null alleles?b. A certain acridine-like compound generates only single insertions. A mutation induced with this compound is treated with the same compound, and some revertants are produced. How is this outcome possible?Which of the following examples is likely to be caused by asomatic mutation?A. A purple flower has a small patch of white tissue.B. One child, in a family of seven, is an albino.C. One apple tree, in a very large orchard, produces its apples 2weeks earlier than any of the other trees.D. A 60-year-old smoker develops lung cancer.Part a) and b) have already resolved and part c and d tobe resolved. a. What is a genetic mutation? How do genetic mutations differ fromsomatic mutations? b. What are mutagens? Using examples, describe how chemical andphysical mutagens cause mutations. c. Briefly describe the significance of transposons in inducing d. Discuss the practical aspects of mutations.
- What type of mutation (transition, transversion, or frameshift)would you expect each of the following mutagens to cause?A. Nitrous acidB. 5-BromouracilC. ProflavinWhat type of mutation is depicted by the following sequences (shown as mRNA)?Wild type ....5′ AAUCCUUACGGA 3′....Mutant ....5′ AAUCCUACGGA 3′....You are working as a protein engineer. You decide to work on lacl protein ( This is the repressor protein of the Lac Operon). Through your work you make 2 varieties of lacl. One variety has a lower Kd for the major grove of DNA. The other variety has a lower Kd for allolactose. A. Come up with a name for both varieties of lacl. B. What effect on gene expression might you expect from both varieties of lacl ( You may use the name you came up with in part A to explain both). How might you use these varieties to your advantage to express recombinant proteins
- Genes with highly similar sequence are often located adjacent one another in the genome. Gene duplication commonly arises from errors in replication. When the organization of such adjacent genes is in an inverted orientation, this can reduce the expression of other genes that have similar sequence and are located on other chromosomes. Explain the mechanism of how this generally occurs. i need a detailed explanation, please. I need to know what the mechanism is. How it happens and why. Please. ThanksDiscuss the times in a person’s life when it is most important toavoid mutagens. Which parts of a person’s body should be the mosthighly protected from mutagens?In the treatment of cancer, the basis for many types of chemotherapyand radiation therapy is that mutagens are more effective at killingdividing cells than nondividing cells. Explain why. What are possibleharmful side effects of chemotherapy and radiation therapy?
- Based on the given description, determine which mutation is being referred to A single base substitution such as UCC --> UGC a. silent b. insertion c. deletion d. transversion e. nonsense f. transitionTautomerization: A. Causes frameshift insertions B. Causes frameshift deletions C. Results in permanent chemical changes in nitrogenous bases D. Cause transition mutations E. Cause transversion mutationsA physicist name Dr Robert Bruce Banner was running some experiments in his lab using gamma rays. During the experiment he accidentally exploded an experimental bomb and was exposed to a huge amount of gamma rays. After that he experienced several effects of mutations. a. Explain how gamma rays could affect Dr. Banner DNA. b. Explain how DNA affected by gamma rays could be repaired in order to avoid mutations. c. What you expected to happen with Dr Banner? Is it likely that Dr Banner would develop super strength, or other super powers?