Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337408332
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 15, Problem 3DAA
Summary Introduction
To determine: The mice that learned faster in the second time test.
Concept introduction: Autism is a neurological disorder in which patients have impaired social interactions and repetitive, stereotyped behaviors. The condition appears due to mutation in the gene neuroligin 3, and an adhesion protein that connects the brain cells together. The mutation causes substitution of a cysteine (C) amino acid by arginine (R) in position 451.
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Mutations in the IL2RG gene cause approximately 30 percent of
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please answer part 5
Chapter 15 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 15 - Enhanced Spatial Learning Ability in Mice...Ch. 15 - Enhanced Spatial Learning Ability in Mice...Ch. 15 - Prob. 3DAACh. 15 - Prob. 4DAACh. 15 - _________ cut(s) DNA molecules at specific sites....Ch. 15 - Prob. 2SQCh. 15 - Prob. 3SQCh. 15 - For each species, all ________ in the complete set...Ch. 15 - A set of cells that host various DNA fragments...Ch. 15 - Prob. 6SQ
Ch. 15 - Prob. 7SQCh. 15 - Prob. 8SQCh. 15 - Prob. 9SQCh. 15 - Prob. 10SQCh. 15 - A transgenic organism _______. a. carries a gene...Ch. 15 - True or false? Some transgenic organisms can pass...Ch. 15 - Taq polymerase is used for PCR because it _______....Ch. 15 - _____ can correct a genetic defect in an...Ch. 15 - Match each term with the most suitable...Ch. 15 - Match the method with the appropriate enzyme....Ch. 15 - Prob. 1CTCh. 15 - Restriction enzymes in bacterial cytoplasm cut...Ch. 15 - The results of a paternity test using short tandem...
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- Enhanced Spatial Learning Ability in Mice Engineered to Carry an Autism Mutation Autism is a neurobiological disorder with symptoms that include impaired social interactions and repetitive, stereotyped patterns of behavior. Around 10 percent of autistic people also have an extraordinary skill or talent such as greatly enhanced memory. Mutations in the gene for neuroligin 3, an adhesion protein that connects brain cells, have been associated with autism. One of these mutations is called R451C because the altered gene encodes a protein with an amino acid substitution: a cysteine (C) instead of an arginine (R) in position 451. In 2007, Katsuhiko Tabuchi and his colleagues introduced the R451C mutation into the neuroligin 3 gene of mice. The researchers discovered that the genetically modified mice had impaired social behavior and superior spatial learning ability. Spatial learning in mice is tested with a water maze, which consists of a small platform submerged a bit below the surface or a pool of water so it is invisible to a swimming mouse. Mice do not particularly enjoy swimming, so they try to locate the hidden platform as quickly as they can. When tested again later, they remember the platforms location by checking visual cues around the edge or the pool. How quickly they remember is a measure of their spatial learning ability. FIGURE 15.14 shows some or Tabuchis result. FIGURE 15.14 Spatial learning ability in mice. Mice with a mutation in neuroligin 3 (R451C) were tested for learning performance: as compared with unmodified (wild-type) mice. Did the modified or the unmodified mice learn the location of the platform faster in the first test?arrow_forwardAnswer this pleasearrow_forwardHello there, A little confused about if a superrepressor can act on a constitutive operator. Thanks in advance!arrow_forward
- Please help with this as soon as you can, thank you.arrow_forwardHi. I need answers here. Thank youarrow_forwardG-LO37 Identify the consequences of mutations in different regions of a gene. The image below represents two strands of DNA: the top one corresponds to a healthy individual, and the bottom one of a sibling potentially affected with a disease due to genetic mutations Mutation 1 A + с AUA ACA AUG Met ACG GUU GUC GUA GUG Val GCU GCC GCA GCG It will result in mRNA produced Mutation 2 It will result in no mRNA produced 500 AGG The protein produced will be normal 500 + GGG Ala The Select all that applies about Mutation 1 (position -6): AAGLys AGA Arg GGU GGC GGA GGG GAC Asp GAA Glu GAGJ Gly The protein produced will have a different amino acid 1235 ATT 1235 TTT 070 2070 ALL The mutation occurs in the promoter region, and this means that the mRNA cannot be produced 1535 The mRNA and protein will both be normal because the mutation occurs outside of the consensus region of the promoter G 1535 с Affectedarrow_forward
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