LuisWk8 - a. They activate downstream transcription b. They...

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Bio D103: Cell Biology Bio. Department Tutoring Winter 08: Week 8 Lectures 18-19 2/27/08 Wed. 1-3:00 SH157 1. GPCR--The α subunit of a G protein complex is mutated so that the GTP cannot be removed. Which statement is true? a. The αβγ complex would never disassociate b. The α complex could never interact with its target protein c. Downstream signaling would be constantly active d. The α subunit would not interact with the GPCR 2. Which of the following statements is NOT true about second messengers
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Unformatted text preview: a. They activate downstream transcription b. They can be an extracellular ligand c. They diffuse at variable rates d. They can be a gas 3. Please fill in the table. Pathway Does the receptor have intrinsic kinase activity Molecules that transduce the signal TGFB Cytokine Receptor tyrosine kinase 4. 1,2-diacylglycerol (DAG) activates which of the following enzymes? a. Protein kinase C b. Protein kinase A c. Map kinase d. Tyrosine kinase...
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