Chapter+12+Worksheet

Chapter+12+Worksheet - Biology 310 Worksheet Chapter 12...

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Biology 310 Worksheet Chapter 12 Worksheet (Bio-signaling and Signal Transduction) Key Concepts -What are the 4 features of bio-signaling mechanisms? -__________________________________ -__________________________________ -__________________________________ -__________________________________ -What is meant by a receptor having specificity for a signaling molecule? -Why is amplification of a signal important to the function of a biochemical pathway? -Desensitization of a pathway occurs due to ________________________ from a certain product, which is made further down in that pathway, being present. -Define what is meant by integration of a signal? -What are the six signal transduction mechanisms? -__________________________________ -__________________________________ -__________________________________ -__________________________________ -__________________________________ -__________________________________ -Know how each type of pathway works, as well as an example of each. -Know the difference between monomeric and heterotrimeric G proteins Ion Gated Channels -What conditions are needed for an ion channel to carry out its function? -Understand how the Na + /K + the ATPase works. -Movement of what ion causes depolarization of a neuronal axon? - Movement of what ion causes hyperpolarization of a neuronal axon? Ligand Gated Channels -Understand how a ligand gated receptor functions. -Where are nicotinic acetylcholine (ACh) receptors found in a synapse? -How many ACh are needed to open the receptor? -What enzyme degrades the ACh?
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Biology 310 Worksheet Receptor Enzymes -How many subunits do receptor enzymes have? -What triggers their activation?
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Chapter+12+Worksheet - Biology 310 Worksheet Chapter 12...

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