The global repression of GAL gene expression by Mig1 occurs when:

A. glucose is low and Mig1 is localized to the nucleus.
B. glucose is present and Mig1 is phosphorylated to prevent nuclear localization.
C. glucose is present and Mig1 associates with Tup1.
D. glucose is low and Mig1 binds directly to RNA Pol II.


C

Biology & Microbiology

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The eukaryotes first appear in the fossil record

about ____ million years ago.

a. 1.8 b. 2.2 c. 2.7 d. 3.6 e. 1.5

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Which of the following substances is NOT normally

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Exotoxins:

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