modifications of eukaryotic pre-RNA ;difference between Pro and eukaryotic transcription

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Bunny GreenfelderLv2

27 Feb 2019

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Describe how eukaryotic transcription is regulated bypost-translational modifications to histones and transcriptionfactors.

- Review the levels of control of gene expression that include:

1. Chromatin structure and role of chemical modifications of DNA and histones, as

the first âonâ switch for turning on eukaryotic gene expression. Define the term

epigenetics.

2. Structural components of eukaryotic genes: coding and proximal and distal

regulatory sequences (enhancers and silencers), and their function. Role and

binding sites of transcription factors and activator and repressor proteins.

3. Transcriptional and post transcriptional levels

4. Pre and post translational control levels

Choose Among (and **explain why** when appropriate): (1)Nucleus, (2) RNA Polymerase, (3) Cytoplasm, (4) DNA, (5) Enzyme ,(6) Plasma Membrane, (7) Lysosome

-the molecular source of information for transcription?
-the main enzyme for making a polymer of RNA?
-location of transcription in a eukaryotic cell?
-location of transcription in a prokaryotic cell?
-location of translation in a eukaryotic cell?
-location of translation in a prokaryotic cell?