DNA MCQ - Prokaryotic Replication

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0 [{"id":128325,"quiz_id":"8611","answer_id":null,"answerType_id":"1","created_at":"2016-11-21 21:11:09","updated_at":"2016-11-22 09:25:10","questionName":"What is recruited following gyrase activity?","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":10,"explanation":"","question_score_id":null,"lang":null,"questionAudioPath":null},{"id":128324,"quiz_id":"8611","answer_id":null,"answerType_id":"0","created_at":"2016-11-21 21:08:04","updated_at":"2016-11-22 09:25:10","questionName":"What does binding of DnaA protein to the DnaA boxes immediately do?","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":9,"explanation":"This is the step in which the DNA first becomes ss.","question_score_id":null,"lang":null,"questionAudioPath":null},{"id":128329,"quiz_id":"8611","answer_id":null,"answerType_id":"1","created_at":"2016-11-21 21:38:36","updated_at":"2016-11-22 09:25:10","questionName":"What is leading strand synthesis and Okazaki fragment synthesis on the lagging strand catalysed by?","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":14,"explanation":"","question_score_id":null,"lang":null,"questionAudioPath":null},{"id":128097,"quiz_id":"8611","answer_id":null,"answerType_id":"0","created_at":"2016-11-21 19:10:45","updated_at":"2016-11-22 09:25:10","questionName":"What are the 2 main recognition sequences involved in initiation of prokaryotic DNA replication?","questionTimeSeconds":"30","questionTimeMinutes":"0","questionImagePath":null,"position":2,"explanation":"oriC (highly conserved 250bp) and oriC binding initiator protein complex DnaA protein are involved in initiation prokaryotic DNA replication. ","question_score_id":null,"lang":null,"questionAudioPath":null},{"id":128323,"quiz_id":"8611","answer_id":null,"answerType_id":"0","created_at":"2016-11-21 21:03:38","updated_at":"2016-11-22 09:25:10","questionName":"What is DnaB and what does it do?","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":8,"explanation":"DnaB further unwinds DNA to allow entry of the RNA polymerase, which in turn activates RNA primase which catalyses RNA primer synthesis.","question_score_id":null,"lang":null,"questionAudioPath":null},{"id":128321,"quiz_id":"8611","answer_id":null,"answerType_id":"0","created_at":"2016-11-21 20:45:56","updated_at":"2016-11-22 09:25:10","questionName":"After formation of the open complex, what does DnaA protein recruit?","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":6,"explanation":"DnaA protein recruits DnaB and DnaC proteins to the melted DNA in order to form the prepriming complex. Further binding of 5 more DnaA monomers to the DnaA boxes follows shortly after","question_score_id":null,"lang":null,"questionAudioPath":null},{"id":128322,"quiz_id":"8611","answer_id":null,"answerType_id":"0","created_at":"2016-11-21 20:56:30","updated_at":"2016-11-22 09:25:10","questionName":"What is DnaC6 protein?","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":7,"explanation":"","question_score_id":null,"lang":null,"questionAudioPath":null},{"id":128164,"quiz_id":"8611","answer_id":null,"answerType_id":"0","created_at":"2016-11-21 19:26:36","updated_at":"2016-11-22 09:25:10","questionName":"How many DnaA monomers initially bind to the 9bp repeats in oriC in prokaryotic replication?","questionTimeSeconds":"30","questionTimeMinutes":"0","questionImagePath":"uploads\/dna-mcq\/loop.png","position":3,"explanation":"5 DnaA proteins cause the DNA to supercoil in on itself around the monomers in an ATP dependent reaction aided by histone like proteins.","question_score_id":null,"lang":null,"questionAudioPath":null},{"id":128326,"quiz_id":"8611","answer_id":null,"answerType_id":"0","created_at":"2016-11-21 21:19:55","updated_at":"2016-11-22 09:25:10","questionName":"How many rounds of replication can be underway on the same chromosome at the same time?","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":11,"explanation":"","question_score_id":null,"lang":null,"questionAudioPath":null},{"id":128165,"quiz_id":"8611","answer_id":null,"answerType_id":"0","created_at":"2016-11-21 19:29:01","updated_at":"2016-11-22 09:25:10","questionName":"What is the most common nucleotide sequence for the oriC?","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":4,"explanation":"","question_score_id":null,"lang":null,"questionAudioPath":null},{"id":128167,"quiz_id":"8611","answer_id":null,"answerType_id":"0","created_at":"2016-11-21 19:38:30","updated_at":"2016-11-22 09:25:10","questionName":"To the left of the oriC there are 3 tandem repeated 13bp sequences which are melted following DnaA monomer binding. What are the sequences of these repeats?","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":"uploads\/dna-mcq\/loop2.png","position":5,"explanation":"","question_score_id":null,"lang":null,"questionAudioPath":null},{"id":128327,"quiz_id":"8611","answer_id":null,"answerType_id":"1","created_at":"2016-11-21 21:34:30","updated_at":"2016-11-22 09:25:10","questionName":"What prevents the ssDNA from reannealing?","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":12,"explanation":"","question_score_id":null,"lang":null,"questionAudioPath":null},{"id":128096,"quiz_id":"8611","answer_id":null,"answerType_id":"0","created_at":"2016-11-21 18:57:49","updated_at":"2016-11-22 09:25:10","questionName":"Does prokaryotic replication begin at...","questionTimeSeconds":"30","questionTimeMinutes":"0","questionImagePath":null,"position":1,"explanation":"Bacterial DNA is small enough to facilitate a single ori site unlike in eukaryotes where, due to the large quantity of genetic material must begin at multiple ori sites.","question_score_id":null,"lang":null,"questionAudioPath":null},{"id":128328,"quiz_id":"8611","answer_id":null,"answerType_id":"1","created_at":"2016-11-21 21:36:09","updated_at":"2016-11-22 09:25:10","questionName":"What joins the ssDNA of the lagging strand at the beginning of DNA Elongation?","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":13,"explanation":"","question_score_id":null,"lang":null,"questionAudioPath":null},{"id":128095,"quiz_id":"8611","answer_id":null,"answerType_id":"0","created_at":"2016-11-21 18:55:24","updated_at":"2016-11-22 09:25:10","questionName":"DNA Repliation in E.coli is","questionTimeSeconds":"30","questionTimeMinutes":"0","questionImagePath":null,"position":0,"explanation":"Bacterial DNA is circular so in order to allow circular replication it must be bidirectional.","question_score_id":null,"lang":null,"questionAudioPath":null}]
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What is recruited following gyrase activity?

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