Genetics Module 2 Exam With Questions and Answers 100% Solved

Genetics Module 2 Exam With Questions and Answers 100% Solved What kind of RNA is a coding intermediate in the process of making proteins from DNA? - answerBoth mRNA and tRNA Match each process with its outcome: - answerDNA replication A.a DNA copy Transcription D. an RNA version of the DNA sequence Translation C. a protein that is determined by the RNA code Mutation B.a new allele Which of the following is transcribed but not translated? - answerintron Which of the following is true about transcription factors? - answerthey can either increase or decrease transcription rates A coding strand of DNA is 5'-ATGGATCGGACA-3'. What is the mRNA for this strand? - answer5'-AUGGAUCGGACA-3' A mRNA sequence 5'-TTAAUGAACUACCCG-3'. How many amino acids will be coded by this strand? - answer4 An antibiotic that targets bacteria X prevents RNA polymerase from working. What effect would that have on the bacteria X? - answerNo mRNA will be made Which of the following is true about an activator transcription factor? - answerit may un- methylate DNA, increasing gene expression Which of the following is true of mutations? - answermost mutations have no phenotypic effect Which of the following is true of germline mutations? - answerthey can be passed on to the next generation A DNA strand that originally reads 5'-ATTCAAT-3' undergoes a mutation that changes it to 5'- ATATCAAT- 3'. This is an example of what type of mutation? - answerinsertion How would you explain to a sixth grader what the purpose of transcription is? - answerTranscription copies the code that provides instruction to make proteins in your body Death cap mushrooms are deadly to mammals because they bind to RNA polymerase and prevent RNA polymerase from working. a. What would be the immediate consequences of eating a death cap mushroom? - answerNo mRNA production Here's a twisted experiment. Feed a mouse a death cap mushroom. Two hours later, take out its liver and do RNAseq on it. What would you expect the data to show? (Hint: remind yourself what RNAseq is, look it up if you need to.) - answerSince there are no mRNA sequences, there would be no sequences to be read What are three reasons why gene expression might vary across time and across different parts of the body? - answerStage of development Internal environment External Environment What are the three primary ways that transcription factors can affect gene regulation? - answerMethylation/demethylation Modification of histones Affecting bonding of RNA polymerase . Which of the following DNA element(s) or protein(s) would you expect to find only in SOME cells in a given organism (check one)? - answerThe transcription factor that activates gene X because its most likely that gene X is only expressed in some cells 11. Scientists engineer a new species that has perfect DNA replication & DNA repair, every time and all the time. They start a population from a perfectly engineered pair. What patterns of genetic variation would you see in this species over 100 generations? - answerNone because mutations are the sourceof ge