: Genes & Behavior Pepe (2) Facebook P Mail-bjwl 2427@uga· e University of Georg

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: Genes & Behavior Pepe (2) Facebook P Mail-bjwl 2427@uga· e University of Georgia . e According To The Cen Macmillan: Genetics. A × × > × C | www.saplinglearning.com/ibiscms/mod/ibis/view.php?id=4708413 : Apps D Apple Mail-bju 12427@uc FacebookHomepage-UniversAOL MailEntoOutreach & Ser D Outbox. Student V Jump to... Brandy Winkler ' macmilan learning Question 15 of 16 Available From: Due Date Late submissions: Not Set 1/18/2018 11:59 PM Allowed with 50 of the enetics: A Conceptual Approach 6h Edition MHE/Freeman A strain of bacteria possesses a temperature-sensitive mutation in the At high temperatures, rho is not functional. When these bacteria are raised at elevated temperatures, what would you expect to observe? Select all observations that accurately explain the effect of this mutation. points possible deducteod per day until 01/20/2018 11:59 PM gene that encodes the rho subunit Points Possible: 100 Transcription does not take place because mutant to would interfere with the RNA polymerase binding to the template. All RNA molecules are shorter than normal because the absence of functional rho would derail the transcription. Grade Category Homework because Description: a to oue eral Some RNA molecules would be longer than normal because these RNA Policies: 3200 post-lecture HVw came from the gene with rho-dependent terminator All RNA molecules are longer than normal because the absence of functional rho means the transcription continues beyond the proper termination point Some RNA molecules would be normal length because not every terminator You can check your answers. You can view solutions after the due date. You can keep trying to answer each question until you get it right or give up. You lose 20% of th 10 0 e points available to each r in your question for each incorrect attempt at that answer For multiple-choice questions, the penalty depends on the number of choices available. 12 1 D eTextbook 14 2 15 3 16 4 Help With This Topic Prerous "Check Answer Next Exit Hint 959 PM Type here to search 1/16/2018 2

Explanation / Answer

Choices 3 and 5 are correct.

Explanation: The bacterial transcription-termination is a process which can be performed in two manners, either dependent upon rho proteins or independent of the rho proteins. Here, the binding of the functional rho proteins to the transcription gene takes place to terminate the transcriptional mechanism. Hence, any failure in the function of the rho proteins leads to failure in termination of transcription, as at higher temperatures.

Hence, if the rho proteins are non-functional, some scenarios might arise. Firstly, the termination of rho-dependent genes will fail and they will be longer than normal. However, the genes independent of rho-protein will be normal in length. Thus, whereas some of the RNA molecules will be larger than normal, some would be of normal length as well.

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