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Douglass/Cook Lectures only B. The process of translation (Figs. 13—14)
Why is polypeptide synthesis called translation? What happens in the translocation step? VI. Flow of information in cells
In what way are retroviruses and the process of reverse transcription exceptions to the traditional “central dogma” of genetics and molecular biology? VII. Control of gene expression . r __ .....___ __
A. the lac operon (rig. 14-1)?
B. “ ‘
What are the roles of the promoter, operator, and repressor protein in the .
control of the lacoperon? How does lactose act as an inducer? What is a constitutive gene? Why is the lac operon said to be under negative control? How can negative control
be distinguished from positive control? t. L Why is the lac operon an example of transcriptional level control?
B. , Introns and exons - RNA processing in eukaryotes (Fig. 13-17)
What happens to introns and exons during transcription? What is precursor m-
Why is exon processing a type of post-transcriptional level control? C. Other types of control in eukaryotes What is post-translational control? ...
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- Spring '10