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PSB test 1 questions & answers 2024/2025

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PSB test 1 questions & answers 2024/2025

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PSB test 1 questions & answers
2024/2025

evolutionary explanation - ANSWERShow behaviors are inherited and shaped through evolutionary
factors



developmental explanation - ANSWERShow development and environment of an organism set a
biological state for the behavior



proximate/immediate explanation - ANSWERShow the brain and environment interact to cause the
behavior



adaptive explanation - ANSWERSadaptive function that behavior has for the survival of an organism



ethology - ANSWERSstudy of animal behavior in the context of the animal's life and environment



metabotropic receptor - ANSWERS-ligand binds to it and activates G protein

-G protein activates another molecule (secondary messenger)

*function is to activate other particles



ionotropic receptor - ANSWERSclosed until a ligand binds to a receptor which changes the shape by
allowing an opening to form to let ions travel in or out



G protein - ANSWERSmembrane bound protein next to receptor that initiates a cascade effect inside a
cell



positive feedback loop - ANSWERSdownstream effects of the hormone serve to increase its production

-it's self activating once it's turned on

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