BIOLOGY
5th Edition
ISBN: 9781264104680
Author: BROOKER
Publisher: MCG
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Chapter 9.3, Problem 1CS
Summary Introduction
To explain: The reason for the development of cancer because of mutations, which obstruct GTP hydrolysis ability of Ras proteins.
Introduction: Cancer can be defined as an abnormal cellular condition that is characterized by uncontrolled cell division. This condition can result from a large number of cellular, molecular, and
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Q11: You are comparing the process of RNA splicing in an mRNA from normal and mutant cells of the
same tissue. You find that the mutant mRNA is longer than the mRNA from the normal cells.
Examination of the sequences of the gene encoding this mRNA reveals that there are nucleotide
changes at the boundary of one of the exons in the mutant cell gene. Which of the following nucleotides
would be expected to be found at the 3' end of upstream donor exons and the 5' end of downstream
acceptor exons in the normal gene but not in the mutant gene?
A. AG-G
B. AG-AG
C. CA-GA
D. G-AG
E. CG-G
Reflect on this “Gene therapy is still in its infancy but it is believed that as it matures it will become an effective treatment for the myriad of genetic diseases that affect humanity”
Chapter 9 Solutions
BIOLOGY
Ch. 9.1 - Figure 9.1 Response of a yeast cell to glucose....Ch. 9.1 - Prob. 1CSCh. 9.1 - Which type of signal, paracrine or endocrine, is...Ch. 9.1 - Prob. 3CCCh. 9.2 - Prob. 1CSCh. 9.2 - Prob. 2CSCh. 9.2 - Prob. 1CCCh. 9.3 - Prob. 1CSCh. 9.3 - Prob. 1CCCh. 9.3 - Prob. 2CC
Ch. 9.3 - In the case of signaling pathways involving...Ch. 9.5 - Prob. 1EQCh. 9.5 - Prob. 2EQCh. 9.5 - Prob. 3EQCh. 9.5 - Prob. 1CCCh. 9 - Prob. 1TYCh. 9 - Prob. 2TYCh. 9 - Prob. 3TYCh. 9 - Prob. 4TYCh. 9 - Prob. 5TYCh. 9 - The relay protein Ras is part of the EGF pathway...Ch. 9 - Prob. 7TYCh. 9 - Prob. 8TYCh. 9 - Prob. 9TYCh. 9 - Prob. 10TYCh. 9 - Prob. 1CQCh. 9 - Conceptual Questions What are the three stages of...Ch. 9 - Prob. 3CQCh. 9 - Prob. 1COQCh. 9 - Prob. 2COQ
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- Discuss how qPCR, DNA microarrays (DNA chips), and RNA-seq analysis are used to compare levels of gene expression among normal versus diseased tissues.arrow_forwardProject: You want to make a cat that glows in the dark (its nose, ears, and tail should glow). Choose the best answer. 9) To get started on this project, you isolate and cut out the gene in a jellyfish that codes for the green fluorescent protein (GFP). The next thing you need to do is attach this gene to the correct promoter so that you can be sure it is expressed appropriately in the cat. Which of the following promoters should you use? a) any promoter is fine b) the original promoter found in the jellyfish c) a promoter from a gene that is expressed in cells of the cat's nose, ears, and tail 10) You are now ready to transfer the piece of recombinant DNA you have prepared to the cat. You want to be sure that the transgenic cat you create will be able to pass the fluorescence on to its offspring. What is the best type of cell to transfer the recombinant DNA to? a) an unfertilized egg b) a fertilized egg c) somatic cells of an adult catarrow_forwardASAP pleasearrow_forward
- Pls help ASAParrow_forwardQ38. The ΔF508 mutation of the CFTR gene is the cause of most cases of cystic fibrosis (CF). One focus of research into a cure for CF is "gene therapy" — inserting normal copies of the CFTR gene into the cells of CF patients. Which of the following areas of CF research is most likely to improve symptoms for CF patients? A. Inserting extra copies of genes that code for the proteosome. B. Studying the chaperone proteins of the endoplasmic reticulum (ER). C. Improving the lung function of people who are carriers of the CF allele (Cc). D. Stabilizing the plasma membrane were the ΔF508 form of the protein accumulates.arrow_forwardExplain how targeted gene silencing and knockout mutations can give insights into the functions of a gene.arrow_forward
- Please help! I think the answers I put are correct, just looking for some verification/explanation..arrow_forwardBased on the given scenario, tell whether structural genes are expressed (YES) or not expressed (NO) 1. LacY is deleted (YES/NO) 2. LacI is deleted (YES/NO) 3. TrpR is deleted (YES/NO) 4. Promoter sequence is deleted (YES/NO) 5. lactose is present in the environment; glucose is absent (YES/NO) 6. tryptophan is absent in the environment (YES/NO) 7. operator is deleted (YES/NO)arrow_forwardWhy might hospitals be exempt from the ePrescribing core objective?arrow_forward
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