Exam 3 Review - Chapters 14 and 15

Exam 3 Review - Chapters 14 and 15 - Kaiser Imam November...

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Kaiser Imam November 18, 2007 BIOL 215 Exam 3 Review Chapters 14 and 15 Chapter 14: Signal Transduction 1. Receptor tyrosine kinases (RTKs) consist of _________ polypeptide chain(s) with ________ transmembrane segment(s) in the shape of a(n) _____________________. 2. The cytosolic side of a receptor tyrosine kinase has two parts: a __________________ domain and a __________________ that contains residues of the amino acid ____________. 3. The extracellular side of the RTK has a _________________________________. 4. The binding of a ligand causes receptor tyrosine kinases to __________________. In situations where two proteins do this the process is called _________________. The process by which the RTKs phosphorylate each other in a process called ______________________. 5. The ligand that binds to the RTK to start off the Ras pathway is __________________________________________. 6. Ras is a _______________________ G protein that is involved in regulating the __________ and _____________ of cells. Like many G proteins, Ras is in its active state when it is
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Exam 3 Review - Chapters 14 and 15 - Kaiser Imam November...

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