A C-terminal KDEL tetrapeptide was identified by “sequence gazing” as a possible signal for keeping resident ER proteins in the ER. This idea is now described in your textbook as established fact. What types of experiments do you think were performed to confirm that KDEL serves as an ER localization signal?

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Learning and memory

Learning is defined as a relatively permanent and irreversible adaptive change in behavior. It always results from experience. The ability of an organism to store and recall the effects, sensations, and knowledge gained through learning and experience is called memory.