Study Guide, Chapter 17

Study Guide, Chapter 17 - BSCI105, Freshman Connection Fall...

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BSCI105, Freshman Connection Fall 2010 Study Guide #1 4 I. Transcription Vocabulary: Central Dogma Transcription Upstream Downstream Promoter Coding region Coding strand Template strand RNA polymerase I RNA polymerase II RNA polymerase III Recruitment Initiation Elongation Termination TATA box Transcription Factor pre-mRNA mRNA Cap UTR PolyA Tail Exon Intron Splicing Spliceosome Key Concept 1: The "Central Dogma" of molecular biology states that DNA stores genetic information, which is copied into RNA, which direct the assembly of proteins. Key Concept 2: The processes that underlay the Central Dogma are transcription and translation, although other processes are important in eukaryotes as well, such as mRNA processing and splicing, and post-translational modification. Key Concept 3: A gene is a transcriptional unit that includes information on where to start transcription, where to stop transcription, and regulatory sequences that direct when and where to initiate transcription. Key Concept 4: Transcription is the conversion of information stored in DNA to RNA. Key Concept 5: The RNA sequence is complementary to the DNA template strand. Key Concept 6: RNA is assembled by RNA polymerase, which does not need a primer and has intrinsic DNA helicase activity, with elongation by addition of
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This note was uploaded on 12/08/2011 for the course BSCI 105 taught by Professor Jensen during the Fall '07 term at Maryland.

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Study Guide, Chapter 17 - BSCI105, Freshman Connection Fall...

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