BIOL 112 Chapter 17: Textbook Notes on Chapter 17
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1.In the bacterial lac repressor, which of these occurs:
A.In the presence of glucose and the absence of lactose, the repressor is actively produced. | ||
B.The lac operon can be hyper-induced in the presence of low glucose by the 'cAMP binding protein' (CAMP). | ||
C.In the presence of lactose and the absence of glucose the lac operon is repressed. | ||
D.Allolactose is a byproduct of รยฒ-galactosidase, indicating high lactose when it builds up. |
2 In eukaryotes the enhancer elements can be quite a distance upstream or downstream from the promoter, and transcriptional regulation is helped by protein:protein interactions.
True
False