Lecture10_Unit3&4-Nucleic acids+Transcription-student

C genes can be encoded on either strand of the dna d

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Unformatted text preview: Protein synthesized N to C ScienRfic convenRon is also 5’ to 3’ Figure 6- 97 Molecular Biology of the Cell (© Garland Science 2008) Problem 4.1 Here are two electron micrographs of transcripRon units in acRon, one from a prokaryote and one from a eukaryote. In your opinion, which is which? A B 1. Where is the acRve site of the RNA Polymerase? 2. Which direcRon is this polymerase moving? 3. Where is the 3’ end of the template strand? 2 5 1 4 3 A.  4, right to left, 5 B.  3, right to left, 1 C.  3, left to right, 1 Fig. 7- 7 D.  4, left to right, 2 1.  3’ end of RNA 2.  5’ end of RNA 3.  3’ end of template strand 4.  5’ end of template strand Match the leters on the micrograph with the numbered terms. A.  B.  C.  D.  1=D, 2=C, 3=B, 4=A 1=B, 2=A, 3=D, 4=C 1=B, 2=A, 3=C, 4=D 1=C, 2=D, 3=A, 4=B A B C DNA D TranscripRon Units 5’ 3’ Figure 7- 8 Essen&al Cell Biology (© Garland Science 2010) Anatomy of a TranscripRon Unit (gene) Enhancer region 5’ Coding strand Promoter TranscripRon TranscripRon Start site Stop site +1 Transcribed region 3’ Template strand 5’ Upstream 3’- flanking sequence of t...
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This document was uploaded on 02/26/2014 for the course BIOL 200 at UBC.

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