BIO 221 FALL - Gene Regulation
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30 Terms
What are the benefits of gene regulation
Conserving energy and resources
Allows for cellular differentiation and development in multicellular proteins
Where (during gene expression) does regulation occur in prokaryotes
Cytoplasm
Where does regulation most occur in prokaryotes
Transcription
Where does regulation least occur in prokaryotes
Translation
Where does regulation most occur in eukaryotes
Transcription
Where does regulation least occur in eukaryotes
Translation
Which lasts longer in the cell, eukaryotic mRNA or prokaryotic mRNA
Eukaryotic mRNA (prokaryotic mRNA doesn’t exist)
What is sigma switching
Genes required only under special conditions have promoters that are recognized by a special sigma factors
What do repressors do
Decrease/Prevent transcription
What kind of control are repressors?
Negative
What do activators do
Increase/Permit transcription
What kind of control are activators
Positive
Note 
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