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PSB2000 Test Review

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Department
Psychology
Course
PSB 2000
Professor
Clare Mathes
Semester
Spring

Description
PSB2000 Test Review 2/1/2013 9:06:00 AM Lecture 1: Differentiate among and give examples of the biological explanations of behavior:  functional, ontogenetic (dealing with the individual), biological, evolutionary (evolution of the species), physiological Discuss why animals are used in research and what limitations there are.  Ethical guidelines Lecture 2: Genetics What are genes made of? What do they do? How?  Translated from RNA to DNA What is meant by dominant and recessive? In what type of organization will certain traits be expressed? What does sex have to do with it?  Sex linked recessive: shows up in men more than women  Sex limited: expression is influenced by sex hormones Differentiate between epigenetics and mutation. How do you study the influence of genes and behavior?  Twin studies  Knock out mice: mice with certain gene removed. Lecture 3:Cells of the nervous system: neurons and glia (12 questions) What functions do the cell organelles perform? How are the neurons different to and similar to normal body cells?  Shape is different What functions do the special part of neurons perform? How does info travel through a neuron? Describe the diff. types of neurons & how they pass info efferently and afferently.  To the muscles/ motor neurons = efferent (on the spinal chord)  Sensory neurons = afferent What are the functions of the types of glial cells? What‟s the function of the blood brain barrier?  To keep diseases out of the brain Lecture 4: The resing membrane potential (7 questions) What does it mean that a neuron‟s membrane is polarized? Diff. b/t depolarization and hyperpolarization. Which was to the ions on the inside and outside of the cell „want‟ to move and why? Why can/can‟t they?  More sodium outside the cell, and more potassium inside. So based on this sodium wants to go in, and potassium out.  Based on charge both want to go in.  Sodium can‟t go into the cell because the membran
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