PSYC 372 Lecture Notes - Lecture 1: Inhibitory Postsynaptic Potential, Choline, Saltatory Conduction
20 Aug 2016
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Cns: structures encased in brain and spinal cord. Lipid bilayer molecules with head and tail. Small uncharged chemicals may diffuse across (water, oxygen) Ion channels: allow movement of some charged ions cell body (soma): metabolic center of the cell cell nucleus. Chromosomes consist of dna (contain code for making proteins) Nuclear membrane controls transport of material in/out of nucleus proteins: composed of chains of amino acids; provide structure and maintenance. Contractile (actin and myosin change muscle shape) Activated genes cause a copy of the info to be made into a molecule of mrna. Mrna carries copy out of nucleus and binds it to ribosomes. Ribosomes transcribe/translate the genetic code from strands of mrna, creating a protein. Proteins are released into cytoplasm cytoplasm: semi-liquid interior of cell; contains many structures with different functions mitochondria: produces atp using glucose and oxygen; energy is released here microtubules: filaments arranged around a hollow core. Used to transport substances from place to place.
