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Unformatted text preview: ptor
d. Steroid hormone receptor
e. none of the above
4. Gli3 is a vertebrate protein related to the cubitus interruptus (Ci) protein from flies. It acts as a
transcriptional repressor in cells that have not received a certain type of signal. When cells receive
the signal, Gli3 becomes a transcriptional activator (i.e., it turns "on" the expression of genes). What
signal is involved?
e. fibroblast growth factor (FGF)
5. The Planar Cell Polarity (PCP) pathway is activated by wha...
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This note was uploaded on 05/02/2013 for the course ZOOLOGY 470 taught by Professor Hardin during the Spring '12 term at University of Wisconsin Colleges Online.
- Spring '12